Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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850
FZUS54 KHGX 110041
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
741 PM CDT Mon Aug 10 2026

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.

GMZ300-111315-
741 PM CDT Mon Aug 10 2026

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

A drier and hotter pattern will take hold Tuesday and beyond.
Onshore flow and seas are expected to increase somewhat during the
second half of the week.


$$

GMZ335-111315-
Galveston Bay-
741 PM CDT Mon Aug 10 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...South winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy.
.THURSDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy.
.FRIDAY...South 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, increasing to 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-111315-
Matagorda Bay-
741 PM CDT Mon Aug 10 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Bay waters slightly choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy.
.FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...South winds around 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

$$

GMZ350-355-111315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
741 PM CDT Mon Aug 10 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds.
.TUESDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms in the morning.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet.
Wave Detail: South 4 feet at 5 seconds.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-111315-
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-
741 PM CDT Mon Aug 10 2026

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 5 seconds.
.TUESDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds around 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail:
South 4 feet at 5 seconds.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet.

$$