


Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
892 FZUS54 KHGX 012339 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 639 PM CDT Mon Sep 1 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. GMZ300-021215- 639 PM CDT Mon Sep 1 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. The remains of a stalled front will continue to bring scattered showers and thunderstorms over the coastal locations and Gulf waters into the evening and overnight hours. Some of the stronger storms will be capable of producing locally heavy rainfall and gusty winds. Winds outside of storms will generally be light and variable, while becoming erratic and gusty in and around any storms. Rain chances decrease significantly by the middle of the week, while winds and seas are expected to remain rather light and low. $$ GMZ335-021215- Galveston Bay- 639 PM CDT Mon Sep 1 2025 .TONIGHT...East winds 5 to 10 knots, becoming northeast late. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds around 5 knots. Bay waters smooth. .WEDNESDAY...North winds 5 to 10 knots, becoming southwest in the afternoon. Bay waters smooth. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Bay waters smooth. .THURSDAY...West winds around 5 knots, becoming south in the afternoon. Bay waters smooth. .THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. .FRIDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Bay waters smooth. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ330-021215- Matagorda Bay- 639 PM CDT Mon Sep 1 2025 .TONIGHT...East winds 5 to 10 knots, becoming northeast late. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. .WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Bay waters smooth. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay waters smooth. .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 5 to 10 knots. Bay waters smooth. .FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-021215- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 639 PM CDT Mon Sep 1 2025 .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms. .TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .THURSDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 5 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-021215- 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- 639 PM CDT Mon Sep 1 2025 .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms until early morning, then showers and thunderstorms likely late. .TUESDAY...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. Showers and thunderstorms likely, mainly in the morning. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .THURSDAY...West winds around 5 knots, becoming north in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 6 seconds. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$