FZUS54 KHGX 151120 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 620 AM 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. GMZ300-160030- 620 AM CDT Thu Oct 15 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Like yesterday, expect continued southeast flow and a chance of isolated to widely scattered showers. A strong cold front pushes offshore Friday morning, bringing strong gusty winds and building seas in its wake. Gale conditions are becoming likely in the both the bays and Gulf waters. Though the current Gale Watch starts early Friday afternoon, there is a chance that gales could begin earlier for Matagorda Bay and the waters west of Freeport. Conditions gradually improve on Saturday. But Small Craft conditions could continue into Saturday evening, while hazardous Gulf seas may linger into Sunday morning. $$ GMZ335-160030- Galveston Bay- 620 AM CDT Thu Oct 15 2026 ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers late this morning and afternoon. .TONIGHT...Southeast winds 10 to 15 knots, becoming northeast around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. A slight chance of showers in the evening, then a chance of showers with isolated thunderstorms after midnight. .FRIDAY...North winds 20 to 25 knots with gusts up to 30 knots. Bay waters rough. A chance of showers. .FRIDAY NIGHT...North winds around 30 knots. Bay waters very rough. .SATURDAY...North winds around 30 knots, diminishing to around 20 knots with gusts up to 25 knots in the afternoon. Bay waters very rough, diminishing to choppy in the afternoon. .SATURDAY NIGHT...Northeast winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .SUNDAY...Northeast winds 10 to 15 knots. Bay waters slightly choppy. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth. .MONDAY...Northeast winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Bay waters slightly choppy, diminishing to smooth in the afternoon. .MONDAY NIGHT...East winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight. $$ GMZ330-160030- Matagorda Bay- 620 AM CDT Thu Oct 15 2026 ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers this afternoon. .TONIGHT...Southeast winds 10 to 15 knots, becoming northeast around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. A slight chance of showers after midnight. .FRIDAY...North winds 20 to 25 knots, increasing to around 30 knots in the afternoon. Bay waters rough, increasing to very rough in the afternoon. A chance of showers. .FRIDAY NIGHT...North winds around 30 knots. Bay waters very rough. .SATURDAY...North winds around 30 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. Bay waters slightly choppy. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth. .MONDAY...Northeast winds 10 to 15 knots. Bay waters slightly choppy. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-160030- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 620 AM CDT Thu Oct 15 2026 ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers late this morning. A chance of showers this afternoon. .TONIGHT...East winds 10 to 15 knots, diminishing to around 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: South 1 foot at 5 seconds. Isolated thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...North winds 20 to 25 knots, increasing to around 30 knots in the afternoon. Seas 3 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: Northeast 3 feet at 3 seconds and south 1 foot at 5 seconds, becoming north 5 feet at 4 seconds and southwest 1 foot at 5 seconds. A chance of showers. .FRIDAY NIGHT...North winds around 30 knots with gusts up to 40 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 6 feet at 5 seconds. A chance of showers in the evening. .SATURDAY...North winds around 30 knots with gusts up to 40 knots, diminishing to 20 to 25 knots with gusts up to 30 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 6 feet at 6 seconds. .SATURDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 7 seconds. .SUNDAY...Northeast winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Seas 3 to 5 feet. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. $$ GMZ370-375-160030- 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- 620 AM CDT Thu Oct 15 2026 ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A chance of showers late this morning. A slight chance of showers this afternoon. .TONIGHT...East winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 1 foot at 5 seconds. Isolated 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 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 4 seconds and south 1 foot at 5 seconds, becoming north 7 feet at 6 seconds. Showers likely. .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 north 10 feet at 6 seconds. A chance of showers in the evening. .SATURDAY...North winds around 30 knots with gusts up to 40 knots. 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 11 feet at 7 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 8 feet at 8 seconds, becoming northeast 6 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 around 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. .MONDAY NIGHT...East winds around 15 knots. Seas 5 to 8 feet, occasionally to 10 feet. A chance of showers after midnight. $$