


Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
484 FZUS54 KHGX 040055 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 755 PM CDT Wed Sep 3 2025 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. GMZ300-041315- 755 PM CDT Wed Sep 3 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Light winds and low seas will remain through early this weekend. An isolated shower or storm can`t be ruled out over the next couple of days, but overall expect the drier air to remain in control. Rain and storm chances increase over the weekend into early next week. $$ GMZ335-041315- Galveston Bay- 755 PM CDT Wed Sep 3 2025 .TONIGHT...Southwest winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and thunderstorms early this evening. .THURSDAY...West winds around 5 knots, becoming south in the afternoon. Bay waters smooth. .THURSDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .FRIDAY...South winds around 10 knots. Bay waters smooth to slightly choppy. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers after midnight. .SUNDAY...East winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight. A chance of showers and thunderstorms. .MONDAY...Northeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ330-041315- Matagorda Bay- 755 PM CDT Wed Sep 3 2025 .TONIGHT...South winds 5 to 10 knots, becoming southwest late. Bay waters smooth. A slight chance of showers and thunderstorms early this evening. .THURSDAY...West winds around 5 knots, becoming south in the afternoon. Bay waters smooth. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...South winds around 10 knots. Bay waters smooth to slightly choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers. A chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers. A chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. Showers likely. .SUNDAY NIGHT...East winds around 10 knots. Bay waters smooth to slightly choppy. Showers likely. A chance of thunderstorms after midnight. .MONDAY...East winds around 10 knots. Bay waters smooth to slightly choppy. A chance of thunderstorms. Showers likely. .MONDAY NIGHT...East winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-041315- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 755 PM CDT Wed Sep 3 2025 .TONIGHT...South winds 5 to 10 knots, becoming southwest late. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. A slight chance of showers and thunderstorms late. .THURSDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 1 foot at 5 seconds. .THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. .FRIDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. A chance of showers after midnight. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers after midnight. .SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely in the evening, then showers likely with a chance of thunderstorms after midnight. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely. .MONDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-041315- 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- 755 PM CDT Wed Sep 3 2025 .TONIGHT...South winds 5 to 10 knots, becoming southwest late. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. A slight chance of showers and thunderstorms late. .THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 6 seconds. .THURSDAY NIGHT...South winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. .FRIDAY...South winds 10 to 15 knots, becoming southeast around 10 knots in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. A chance of showers after midnight. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. .SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms. .SUNDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Showers likely in the evening, then showers likely with a chance of thunderstorms after midnight. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$