


Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
329 FZUS54 KHGX 051722 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1222 PM CDT Sun Oct 5 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. GMZ300-060545- 1222 PM CDT Sun Oct 5 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Isolated showers will be possible over the coastal waters through this week with the greatest coverage likely staying in the offshore waters. Small craft should exercise caution in the Gulf waters through this evening for easterly winds of 15 to 20 knots. Occasional gusts to 25 knots and locally higher seas of 6 feet are possible. Light onshore winds and and low seas will persist through the first half of this upcoming week, then a period of moderate northeasterly winds are possible Wednesday into Thursday. $$ GMZ335-060545- Galveston Bay- 1222 PM CDT Sun Oct 5 2025 .THIS AFTERNOON...East winds 10 to 15 knots. Bay waters slightly choppy. .TONIGHT...East winds around 10 knots. Bay waters smooth to slightly choppy. .MONDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters smooth. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. .TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Bay waters smooth. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast after midnight. Bay waters smooth. .WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY NIGHT...East winds around 15 knots, becoming northeast 15 to 20 knots after midnight. Bay waters slightly choppy, increasing to choppy after midnight. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Bay waters choppy, diminishing to slightly choppy in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ330-060545- Matagorda Bay- 1222 PM CDT Sun Oct 5 2025 .THIS AFTERNOON...Northeast winds 10 to 15 knots, becoming east late. Bay waters slightly choppy. .TONIGHT...East winds 10 to 15 knots, diminishing to around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. .MONDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters smooth. .MONDAY NIGHT...Southeast winds 5 to 10 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. .WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers in the morning. .WEDNESDAY NIGHT...East winds around 15 knots, becoming northeast 15 to 20 knots after midnight. Bay waters slightly choppy, increasing to choppy after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Bay waters choppy. .THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-060545- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1222 PM CDT Sun Oct 5 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of showers early. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and southeast 2 feet at 7 seconds. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers after midnight. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-060545- 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- 1222 PM CDT Sun Oct 5 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of showers. .TONIGHT...East winds 10 to 15 knots, becoming southeast after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds and northeast 1 foot at 4 seconds. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. A chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers. .THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$