Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
490 FZUS54 KHGX 130646 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1246 AM CST Thu Nov 13 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. GMZ300-131915- 1246 AM CST Thu Nov 13 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Light to occasionally moderate onshore flow and low seas will prevail through the remainder of the week. There will be potential of some patchy fog in the northern parts of the Bays during the late night to early morning hours beginning on Friday. $$ GMZ335-131915- Galveston Bay- 1246 AM CST Thu Nov 13 2025 .REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth. .THURSDAY...Southeast winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. Patchy fog after midnight. .SATURDAY...South winds 5 to 10 knots. Bay waters smooth. .SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. Patchy fog after midnight. .SUNDAY...South winds 5 to 10 knots. Bay waters smooth. Patchy fog in the morning. .SUNDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. Patchy fog after midnight. .MONDAY...South winds 10 to 15 knots. Bay waters slightly choppy. Patchy fog in the morning. .MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ330-131915- Matagorda Bay- 1246 AM CST Thu Nov 13 2025 .REST OF TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...South winds around 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...South winds around 10 knots. Bay waters smooth to slightly choppy. .SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. Patchy fog after midnight. .SUNDAY...South winds 5 to 10 knots. Bay waters smooth. Patchy fog in the morning. .SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. Patchy fog after midnight. .MONDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-131915- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1246 AM CST Thu Nov 13 2025 .REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. .MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. $$ GMZ370-375-131915- 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- 1246 AM CST Thu Nov 13 2025 .REST OF TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. .FRIDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 2 feet at 7 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and southeast 2 feet at 7 seconds. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. .MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. $$