


Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
260 FZUS54 KHGX 170027 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 727 PM CDT Mon Jun 16 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. GMZ300-171315- Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays 727 PM CDT Mon Jun 16 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A daily risk of showers and thunderstorms continues through the week. Light to moderate onshore flow continues through Tuesday, with onshore flow increasing somewhat after Wednesday. However, higher winds and seas will be possible in the vicinity of any thunderstorm. Seas will also increase after mid-week into the end of the week in response to a surface coastal trough along the Deep South TX coast. $$ GMZ335-171315- Galveston Bay- 727 PM CDT Mon Jun 16 2025 .TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. Showers and thunderstorms likely early this evening. .TUESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and thunderstorms in the late morning and afternoon. .TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY...South winds around 15 knots. Bay waters slightly choppy to choppy. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and thunderstorms. .THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. .FRIDAY...Southeast winds around 10 knots, rising to 10 to 15 knots in the afternoon. Bay waters smooth, rising to slightly choppy in the afternoon. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. Winds and waves higher in and near thunderstorms. $$ GMZ330-171315- Matagorda Bay- 727 PM CDT Mon Jun 16 2025 .TONIGHT...South winds around 10 knots, rising to 10 to 15 knots after midnight. Bay waters slightly choppy. A slight chance of showers and thunderstorms early this evening. .TUESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .TUESDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy. .WEDNESDAY...South winds around 15 knots. Bay waters slightly choppy to choppy. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms after midnight. .FRIDAY...Southeast winds around 10 knots, rising to 10 to 15 knots in the afternoon. Bay waters smooth, rising to slightly choppy in the afternoon. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-171315- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 727 PM CDT Mon Jun 16 2025 .TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms early this evening. .TUESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the late morning and afternoon. .TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. .WEDNESDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 5 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers. .SATURDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. A chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-171315- 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- 727 PM CDT Mon Jun 16 2025 .TONIGHT...South winds around 10 knots, rising to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms early this evening. .TUESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 15 knots, rising to 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. .WEDNESDAY...South winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: South 4 feet at 6 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Showers and thunderstorms likely, mainly in the morning. .THURSDAY NIGHT...Southeast winds around 10 knots. Seas 4 to 5 feet. A chance of showers after midnight. .FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers. .SATURDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. A chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$