Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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074
FZUS54 KHGX 111154
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
654 AM CDT Sat Oct 11 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.

GMZ300-120015-
654 AM CDT Sat Oct 11 2025

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.

Winds will be light out of the NE this morning...eventually
turning around to a light southeasterly direction by evening.
Water levels will be running above normal due in part to the moon
phase and existing easterly fetch. A more prevailing onshore will
is expected next week.

$$

GMZ330-335-120015-
Matagorda Bay-Galveston Bay-
654 AM CDT Sat Oct 11 2025

.TODAY...Northeast winds 10 to 15 knots, becoming southeast late.
Bay waters slightly choppy, diminishing to smooth to slightly
choppy late.
.TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY...Southeast winds 5 to 10 knots. 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...Southeast winds 5 to 10 knots, becoming
northeast after midnight. Bay waters smooth.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

$$

GMZ350-355-120015-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
654 AM CDT Sat Oct 11 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 7 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
after midnight. Seas around 2 feet.
.WEDNESDAY...North winds around 10 knots, becoming east in the
afternoon. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.

$$

GMZ370-375-120015-
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-
654 AM CDT Sat Oct 11 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds and northeast 2 feet at
4 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: East 3 feet at 6 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds and northeast 1 foot at
4 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 8 seconds and northeast 1 foot at
4 seconds.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds.
.MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at
7 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$