FZUS54 KHGX 152317 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 617 PM CDT Thu Oct 15 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ300-161145- 617 PM CDT Thu Oct 15 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Onshore flow will continue into the overnight hours along with some isolated to widely scattered showers and thunderstorms. A strong cold front pushes offshore early Friday morning. We'll a light wind shift to the north prior to sunrise followed by steadily increasing winds heading into the mid morning hours, and even more so during the afternoon and evening. Gale conditions are likely in the both the bays and Gulf waters. Conditions gradually improve later Saturday afternoon, but though speeds and seas will warrant Small Craft Advisories into at least Saturday night. $$ GMZ335-161145- Galveston Bay- 617 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY AFTERNOON... .TONIGHT...East to southeast winds 15 knots, becoming north around 10 knots before sunrise. Bay waters slightly choppy. A chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...North winds 20 to 25 knots with gusts up to 35 knots in the afternoon. Bay waters rough. A chance of showers in the morning. .FRIDAY NIGHT...North winds around 30 knots with gusts up to 40 knots in the central and lower bay. Bay waters very rough. .SATURDAY...Northeast winds around 30 knots with gusts up to 35 knots, becoming north around 20 knots with gusts up to 25 knots in the afternoon. Bay waters very rough, diminishing to choppy in the afternoon. .SATURDAY NIGHT...Northeast winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .SUNDAY...Northeast winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Bay waters slightly choppy, diminishing to smooth in the afternoon. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth. .MONDAY...Northeast winds 10 to 15 knots, becoming east around 10 knots in the afternoon. Bay waters slightly choppy, diminishing to smooth in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ330-161145- Matagorda Bay- 617 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY AFTERNOON... .TONIGHT...East to southeast winds 10 to 15 knots, becoming northeast around 10 knots before sunrise. Bay waters slightly choppy, diminishing to smooth after midnight. A slight chance of showers after midnight. .FRIDAY...North winds 20 to 25 knots with gusts to 35 knots in the morning, increasing to around 30 knots with gusts to near 40 knots in the afternoon. Bay waters very rough. .FRIDAY NIGHT...North winds around 30 knots with gusts up to 40 knots. Bay waters very rough. .SATURDAY...North winds around 30 knots with gusts up to 35 knots, diminishing to around 20 knots with gusts up to 25 knots in the afternoon. Bay waters very rough, diminishing to choppy in the afternoon. .SATURDAY NIGHT...North winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .SUNDAY...Northeast winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Bay waters slightly choppy, diminishing to smooth in the afternoon. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth. .MONDAY...Northeast winds 10 to 15 knots. Bay waters slightly choppy. .MONDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-161145- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 617 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY AFTERNOON... .TONIGHT...East winds 10 to 15 knots, diminishing to around 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: South 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY...North winds 20 to 25 knots, increasing to around 30 knots with gusts to near 40 knots west of Freeport in the afternoon. Seas 3 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: Northeast 3 feet at 3 seconds and south 1 foot at 5 seconds, becoming north 5 feet at 4 seconds. A chance of showers. .FRIDAY NIGHT...North winds around 30 knots with gusts up to 40 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 5 seconds. .SATURDAY...Northeast winds around 30 knots with gusts up to 40 knots, diminishing to 20 to 25 knots with gusts up to 30 knots in the afternoon. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: Northeast 7 feet at 7 seconds, becoming east 7 feet at 8 seconds. .SATURDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. .SUNDAY...Northeast winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Seas 3 to 5 feet. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. .MONDAY NIGHT...East winds 15 to 20 knots, diminishing to around 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-161145- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 617 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY AFTERNOON... .TONIGHT...East winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 1 foot at 5 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...North winds 20 to 25 knots, increasing to around 30 knots with gusts to 40 knots west of Freeport in the afternoon. Seas 3 to 5 feet, building to 5 to 8 feet, occasionally to 10 feet in the afternoon. Wave Detail: Northeast 3 feet at 4 seconds and south 1 foot at 5 seconds, becoming north 7 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...North winds around 30 knots with gusts up to 40 knots. Seas 7 to 10 feet, occasionally to 13 feet, building to 9 to 12 feet, occasionally to 15 feet after midnight. Wave Detail: North 9 feet at 6 seconds, becoming northeast 11 feet at 7 seconds. .SATURDAY...Northeast winds around 30 knots. Gusts up to 45 knots in the morning. Seas 9 to 13 feet, occasionally to 17 feet, subsiding to 8 to 11 feet, occasionally to 14 feet in the afternoon. Wave Detail: Northeast 12 feet at 8 seconds, becoming northeast 11 feet at 8 seconds. .SATURDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 9 feet at 8 seconds, becoming northeast 7 feet at 7 seconds. .SUNDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. .MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. A chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$