FZUS51 KLWX 152358 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 758 PM EDT Thu Oct 15 2026 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. ANZ500-160800- 758 PM EDT Thu Oct 15 2026 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A cold front will stall south of the area tonight before lifting back north Friday morning. A stronger cold front moves across the area Friday evening. Small Craft Advisory conditions may be needed through Sunday morning. $$ ANZ535-160800- Tidal Potomac from Key Bridge to Indian Head- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt...increasing to 25 kt late. Waves 1 ft. Showers. .SAT...N winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. A chance of showers. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .SUN...NE winds 5 kt. Waves less than 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less. .MON...N winds around 5 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. $$ ANZ536-160800- Tidal Potomac from Indian Head to Cobb Island- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 5 kt. Waves less than 1 ft. A slight chance of showers this evening, then a chance of showers after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt. Waves 2 ft. Showers. .SAT...N winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft. .MON...N winds around 5 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. $$ ANZ537-160800- Tidal Potomac from Cobb Island to Smith Point- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... ...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT... .TONIGHT...SE winds 10 kt...becoming S late. Waves 1 ft. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt with gusts to 25 kt...becoming NW with gusts to 35 kt in the late evening and overnight. Waves 2 to 3 ft. Showers. .SAT...N winds 20 to 25 kt with gusts to 40 kt. Waves 5 ft. A chance of showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .SUN...NE winds 10 to 15 kt. Gusts up to 25 kt in the morning. Waves 2 to 3 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ530-160800- Chesapeake Bay north of Pooles Island- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. A chance of showers this evening, then showers likely after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds10 to 15 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 15 to 20 kt with gusts to 30 kt late. Waves 2 ft. Showers. .SAT...N winds 20 to 25 kt with gusts to 40 kt. Waves 2 ft. .SAT NIGHT...N winds 15 to 20 kt with gusts to 25 kt...diminishing to 10 kt after midnight. Waves 1 to 2 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...E winds around 5 kt. Waves flat. .MON...NE winds around 5 kt. Waves 1 ft or less. .TUE...N winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ531-160800- Chesapeake Bay from Pooles Island to Sandy Point- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of showers this evening, then showers likely after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt... becoming NW 20 to 25 kt with gusts to 35 kt late. Waves 3 ft. Showers. .SAT...N winds 25 to 30 kt. Waves 4 ft. .SAT NIGHT...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt after midnight. Waves 4 ft...subsiding to 2 ft after midnight. .SUN...NE winds 5 to 10 kt. Waves 1 to 2 ft. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...NE winds 5 kt. Waves less than 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. $$ ANZ538-160800- Patapsco River including Baltimore Harbor- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers this evening, then showers likely after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 kt with gusts to 20 kt... becoming NW with gusts to 30 kt after midnight. Waves 1 to 2 ft. Showers likely. .SAT...N winds 20 to 25 kt with gusts to 35 kt. Waves 2 ft. .SAT NIGHT...N winds 15 to 20 kt with gusts to 25 kt...diminishing to 10 kt after midnight. Waves 1 to 2 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...E winds 5 kt. Waves flat. .MON...NE winds 5 kt. Waves less than 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ539-160800- Chester River to Queenstown MD- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 10 kt. Waves 1 ft. A slight chance of showers this evening, then showers likely after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt late. Gusts up to 30 kt...increasing to 35 kt late. Waves 3 ft. Showers. .SAT...N winds 25 to 30 kt. Waves 4 ft. A chance of showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 30 kt...diminishing to 15 kt with gusts to 20 kt after midnight. Waves 4 ft...subsiding to 2 ft after midnight. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...E winds around 5 kt. Waves 1 ft or less. .MON...NE winds around 5 kt. Waves 1 ft or less. .TUE...N winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ532-160800- Chesapeake Bay from Sandy Point to North Beach- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... ...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT... .TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of showers. Patchy fog after midnightwith vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt late. Gusts up to 30 kt...increasing to 35 kt late. Waves 3 ft. Showers. .SAT...N winds 25 to 30 kt. Waves 5 ft. A chance of showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 to 2 ft. .SUN NIGHT...NE winds 5 kt. Waves less than 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 10 to 15 kt. Waves 1 ft. $$ ANZ540-160800- Eastern Bay- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 10 kt. Waves 1 ft. A slight chance of showers this evening, then showers likely after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt... becoming NW 20 to 25 kt with gusts to 35 kt in the late evening and overnight. Waves 2 to 3 ft. Showers. .SAT...N winds 25 to 30 kt. Waves 3 ft. A chance of showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft. .SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less. .MON...NE winds 5 kt. Waves less than 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. $$ ANZ533-160800- Chesapeake Bay from North Beach to Drum Point- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... ...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT... .TONIGHT...SE winds 10 kt...becoming S late. Waves 1 ft. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt... becoming NW 20 to 25 kt with gusts to 35 kt in the late evening and overnight. Waves 3 ft. Showers likely. .SAT...N winds 25 to 30 kt. Waves 6 ft. A chance of showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 5 ft... subsiding to 3 ft after midnight. .SUN...NE winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft... subsiding to 1 ft in the afternoon. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ541-160800- Choptank River to Cambridge MD and the Little Choptank River- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt... becoming NW 20 to 25 kt with gusts to 35 kt in the late evening and overnight. Waves 3 ft. Showers likely. .SAT...N winds 25 to 30 kt. Waves 4 ft. A chance of showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft. .SUN...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 10 to 15 kt. Waves 1 ft. $$ ANZ542-160800- Patuxent River to Broomes Island MD- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...SE winds 5 to 10 kt...becoming S late. Waves 1 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Waves 1 ft. Achance of showers. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 kt...becoming NW in the late evening and overnight. Gusts up to 25 kt. Waves 1 ft. Showers. .SAT...N winds 20 to 25 kt with gusts to 40 kt. Waves 2 ft. Showers likely. .SAT NIGHT...N winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft. .SUN...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 kt. Waves less than 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. $$ ANZ534-160800- Chesapeake Bay from Drum Point to Smith Point- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... ...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT... .TONIGHT...E winds 10 kt...becoming S late. Waves 1 ft. A chance of showers. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt with gusts to 30 kt...becoming NW 20 to 25 kt with gusts to 40 kt in the late evening and overnight. Waves 3 ft...building to 5 ft after midnight. Showers. .SAT...N winds 25 to 30 kt. Waves 6 ft. Showers. .SAT NIGHT...N winds 25 to 30 kt. Waves 6 ft... subsiding to 4 ft after midnight. .SUN...NE winds 15 to 20 kt with gusts to 25 kt. Waves 4 ft... subsiding to 2 ft in the afternoon. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...N winds 10 to 15 kt. Waves 2 ft. $$ ANZ543-160800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 758 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... ...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT... .TONIGHT...E winds 10 kt...becoming SE late. Waves 1 ft. A chance of showers. .FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 15 to 20 kt with gusts to 30 kt...becoming NW 20 to 25 kt with gusts to 40 kt in the late evening and overnight. Waves 3 ft. Showers. .SAT...N winds 25 to 30 kt. Waves 3 ft. Showers. .SAT NIGHT...N winds 20 to 25 kt with gusts to 35 kt. Waves 2 to 3 ft. .SUN...NE winds 15 to 20 kt. Gusts up to 25 kt in the morning. Waves 1 to 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 10 to 15 kt. Waves 1 ft. $$