Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
007 FZUS54 KHGX 151803 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1203 PM CST Mon Dec 15 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. GMZ300-160630- 1203 PM CST Mon Dec 15 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Winds will gradually veer around to the east and southeast tonight and Tuesday as high pressure tracks away from the region. Light onshore flow continues in advance of the next front expected to push off the coast Thursday night. Patchy fog is a possibility in the northern bays Tuesday and Wednesday nights. Onshore winds resume Friday night. $$ GMZ335-160630- Galveston Bay- 1203 PM CST Mon Dec 15 2025 .THIS AFTERNOON...Northeast winds 5 to 10 knots becoming east by evening. Bay waters smooth. .TONIGHT...East winds around 5 knots. Bay waters smooth. .TUESDAY...East winds 5 to 10 knots. Bay waters smooth. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. A chance of showers after midnight. Patchy fog late. .WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers in the morning. Patchy morning fog. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. Patchy fog after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Bay waters smooth. .THURSDAY NIGHT...North winds 15 to 20 knots. Bay waters choppy. .FRIDAY...Northeast winds 15 knots, becoming east 10 to 15 knots in the afternoon. Bay waters slightly choppy, diminishing to smooth to slightly choppy in the afternoon. .FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. $$ GMZ330-160630- Matagorda Bay- 1203 PM CST Mon Dec 15 2025 .THIS AFTERNOON...Northeast winds 5 to 10 knots becoming east by evening. Bay waters smooth. .TONIGHT...East winds 5 to 10 knots. Bay waters smooth. .TUESDAY...East winds 5 to 10 knots. Bay waters smooth. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers after midnight. Patchy fog late. .WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers. Patchy morning fog. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. .THURSDAY...Southwest winds 5 to 10 knots. Bay waters smooth. .THURSDAY NIGHT...North winds 15 to 20 knots. Bay waters choppy. .FRIDAY...Northeast winds near 15 knots becoming east 10 to 15 knots. Bay waters slightly choppy to choppy. .FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. $$ GMZ350-355-160630- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1203 PM CST Mon Dec 15 2025 .THIS AFTERNOON...Northeast winds 10 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers after midnight. .WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers. .WEDNESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. .THURSDAY...Southwest winds around 10 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet. .FRIDAY...Northeast winds 15 to 20 knots, becoming east around 15 knots in the afternoon. Seas 3 to 5 feet. .FRIDAY NIGHT...East winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet. $$ GMZ370-375-160630- 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- 1203 PM CST Mon Dec 15 2025 .THIS AFTERNOON...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 5 feet at 7 seconds. .TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and southeast 2 feet at 4 seconds. A chance of showers after midnight. .WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. .THURSDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...North winds 20 to 25 knots. Seas 3 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. .FRIDAY...Northeast winds 15 to 20 knots, becoming east around 15 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. .FRIDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas 3 to 4 feet. $$