FZUS51 KBOX 161705 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 104 PM EDT Fri Oct 16 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-170600- 104 PM EDT Fri Oct 16 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres tracking across the Quebec/northern New England borders will drag a cold front across the region this evening. Gusty NW winds follow overnight into Sat. High pres then builds across the region by Sun. We will then need to watch an ocean storm developing off the mid-Atlantic for the first half of next week. The worst impacts from this storm may remain south of our waters...but gusty NE winds and rough seas are still expected. $$ ANZ250-170600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...S winds around 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds and W 1 foot at 4 seconds. Patchy fog. Showers likely. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds and W 4 ft at 4 seconds. A chance of showers. Patchy fog in the evening with vsby 1 NM or less. .SAT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds and SE 3 ft at 8 seconds. A chance of showers in the morning. .SAT NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and S 1 foot at 8 seconds. .SUN...N winds 10 to 15 kt with gusts up to 25 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and S 3 ft at 8 seconds. .SUN NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and E 2 ft at 9 seconds. .MON THROUGH TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-170600- Massachusetts Bay and Ipswich Bay- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT... .THIS AFTERNOON...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 5 seconds and NW 1 foot at 5 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds and SE 3 ft at 5 seconds. Patchy fog in the evening. A chance of showers in the evening with vsby 1 to 3 NM. .SAT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and S 2 ft at 8 seconds. .SAT NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds and S 2 ft at 8 seconds. .SUN...N winds 5 to 10 kt with gusts up to 25 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 3 ft at 10 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 3 seconds and N 1 foot at 5 seconds. .MON THROUGH TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-170600- Cape Cod Bay- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFTADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT... .THIS AFTERNOON...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 4 seconds and N 1 foot at 5 seconds. Patchy fog. Showers likely. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and NE 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and S 2 ft at 8 seconds. Showers likely in the morning. .SAT NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds and S 1 foot at 8 seconds. .SUN...N winds 10 to 15 kt with gusts up to 30 kt, becoming NE 5 to 10 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds and S 1 foot at 8 seconds. .SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: N 2 ft at 5 seconds and E 1 foot at 11 seconds, becoming SE 1 foot at 3 seconds and N 1 foot at 4 seconds. .MON THROUGH TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-170600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and N 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and W 3 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and S 4 ft at 8 seconds. Showers likely, mainly in the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 7 seconds and S 2 ft at 7 seconds. .SUN...N winds 15 to 20 kt with gusts up to 30 kt, becoming NE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 7 seconds and SE 2 ft at 9 seconds. .SUN NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and NW 1 foot at 6 seconds. .MON AND MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE AND TUE NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-170600- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and N 4 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and NW 3 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and SW 5 ft at 7 seconds. Showers likely, mainlyin the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and S 2 ft at 7 seconds. .SUN...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and S 1 foot at 7 seconds. .SUN NIGHT...NE winds 10 to 15 kt, becoming E 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and E 3 ft at 9 seconds. .MON THROUGH TUE...NE winds 20 to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-170600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and E 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and NW 3 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and S 5 ft at 7 seconds. Showers likely in the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at 5 seconds and S 2 ft at 7 seconds. .SUN...NE winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: N 4 ft at 5 seconds and S 1 foot at 7 seconds, becoming N 3 ft at 5 seconds and SE 1 foot at 6 seconds. .SUN NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and SE 3 ft at 8 seconds. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. .MON NIGHT...NE winds 20 to 25 kt. Seas around 3 ft. A chance of showers. .TUE AND TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-170600- Nantucket Sound- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and NW 2 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and NE 2 ft at 5 seconds. Showers likely, mainly in the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and S 1 foot at 7 seconds. .SUN...N winds 15 to 20 kt with gusts up to 30 kt, becoming NE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and S 1 foot at 7 seconds. .SUN NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and NW 1 foot at 6 seconds. .MON AND MON NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt.Seas 2 to 3 ft. A chance of showers. .TUE AND TUE NIGHT...NE winds 20 to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-170600- Vineyard Sound- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and E 1 foot at 6 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and NW 3 ft at 4 seconds. Showers likely in the morning. .SAT NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SW 2 ft at 7 seconds. .SUN...NE winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 7 seconds. .SUN NIGHT...E winds 10 to 15 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: NE 1 foot at 4 seconds and E 1 foot at 10 seconds, becoming NE 1 foot at 4 seconds and SE 1 foot at 6 seconds. .MON...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE AND TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-170600- Buzzards Bay- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 10 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft. Wave Detail: N 3 ft at 4 seconds and SW 2 ft at 7 seconds. Showers likely in the morning. .SAT NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and SW 1 foot at 7 seconds. .SUN...NE winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 2 ft at 3 seconds and S 1 foot at 7 seconds, becoming N 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SUN NIGHT...E winds around 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: NE 1 foot at 3 seconds and E 1 foot at 13 seconds, becoming SE 2 ft at 5 seconds and E 1 foot at 2 seconds. .MON THROUGH TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-170600- Rhode Island Sound- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 5 seconds and SE 1 foot at 11 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 8 seconds and W 2 ft at 4 seconds. Patchy fog. A chance of showers in the evening, then showers likely after midnight. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and S 4 ft at 7 seconds. Showers likely in the morning. .SAT NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and S 2 ft at 7 seconds. .SUN AND SUN NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 6 seconds. .MON THROUGH TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 3 ft at 11 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-170600- Block Island Sound- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and W 2 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and W 3 ft at 4 seconds. Patchy fog. Showers likely. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and S 3 ft at 7 seconds. Showers likely in the morning. .SAT NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and S 2 ft at 7 seconds. .SUN AND SUN NIGHT...E winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and NW 2 ft at 3 seconds. .MON THROUGH TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and E 4 ft at 11 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-170600- Boston Harbor- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 15 to 20 kt with gusts up to 30 kt after midnight. Waves around 2 ft. Showers in the evening. .SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. .SUN...N winds 5 to 10 kt with gusts up to 20 kt, becoming SW in the afternoon. Waves 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .MON THROUGH TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-170600- Narragansett Bay- 104 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. Patchy fog. Showers likely, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft. A chance of showers in the morning. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 3 ft. .SUN AND SUN NIGHT...NE winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. .MON THROUGH TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-170600- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 104 PM EDT Fri Oct 16 2026 .THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog. Showers likely. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 4 ft at 8 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: N 6 ft at 7 seconds and S 4 ft at 8 seconds. A chance of showers in the morning. .SAT NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: N 7 ft at 7 seconds and S 2 ft at 8 seconds. .SUN...N winds 10 to 15 kt with gusts up to 30 kt, becoming NW 5 to 10 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: N 4 ft at 6 seconds and S 1 foot at 8 seconds, becoming N 3 ft at 5 seconds and S 1 foot at 7 seconds. .SUN NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and NW 1 foot at 3 seconds. .MON THROUGH TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-170600- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 104 PM EDT Fri Oct 16 2026 .THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 6 seconds and N 2 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming W after midnight. Gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: S 7 ft at 7 seconds and N 3 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 7 ft. Wave Detail: S 6 ft at 7 seconds and N 6 ft at 7 seconds. Showers likely, mainly in the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 8 ft. Wave Detail: N 8 ft at 7 seconds and S 3 ft at 7 seconds. .SUN...N winds 15 to 20 kt with gusts up to 35 kt, becoming NE 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 5 to 7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: N 7 ft at 7 seconds and S 1 foot at 7 seconds, becoming N 5 ft at 7 seconds and E 3 ft at 10 seconds. .SUN NIGHT...NE winds 10 to 15 kt, becoming E 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 4 ft at 7 seconds and E 4 ft at 9 seconds. .MON THROUGH TUE...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ANZ282-170600- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 104 PM EDT Fri Oct 16 2026 .THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: S 7 ft at 7 seconds and N 5 ft at 7 seconds. Patchy fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft. Wave Detail: SW 8 ft at 7 seconds and N 3 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: SW 6 ft at 7 seconds and N 6 ft at 7 seconds. Showers likely, mainly in the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 7 ft. Wave Detail: N 7 ft at 7 seconds and S 3 ft at 7 seconds. .SUN...NE winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: N 6 ft at 7 seconds and E 5 ft at 9 seconds. .SUN NIGHT...NE winds 15 to 20 kt, becoming E 20 to 25 kt after midnight. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 8 seconds and NW 2 ft at 7 seconds. .MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas around 3 ft. A chance of showers. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. A chance of showers. .TUE AND TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-170600- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 104 PM EDT Fri Oct 16 2026 .THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: S 7 ft at 7 seconds and W 5 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 20 to 25 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: SW 7 ft at 7 seconds and NW 3 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: N 6 ft at 6 seconds and S 5 ft at 7 seconds. Showers likely, mainly in the morning. .SAT NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: N 7 ft at 6 seconds and S 2 ft at 7 seconds. .SUN...NE winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the afternoon. Wave Detail: N 6 ft at 6 seconds and S 1 foot at 7 seconds, becoming N 4 ft at 6 seconds and E 2 ft at 9 seconds. .SUN NIGHT...NE winds 15 to 20 kt, becoming E 20 to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and N 3 ft at 7 seconds. .MON THROUGH TUE...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT...NE winds 25 to 30 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston