167
FZUS54 KHGX 231132
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
632 AM CDT Sat Aug 23 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.

GMZ300-240030-
632 AM CDT Sat Aug 23 2025

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

Light winds and low seas will continue with wind direction
determined by the daily sea breeze, land breeze process. A daily
risk of isolated to scattered showers and thunderstorms continues
this weekend and through much of next week.

$$

GMZ335-240030-
Galveston Bay-
632 AM CDT Sat Aug 23 2025

.TODAY...Northeast winds 10 knots, becoming southeast late. Bay
waters smooth to slightly choppy. A chance of showers and
thunderstorms.
.TONIGHT...Southeast winds 10 knots, becoming northwest 5 to 10
knots after midnight. Bay waters smooth. A chance of showers and
thunderstorms, mainly in the evening.
.SUNDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Bay waters smooth.
.MONDAY...North winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
after midnight. Bay waters smooth. A chance of showers and
thunderstorms.
.WEDNESDAY...East winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-240030-
Matagorda Bay-
632 AM CDT Sat Aug 23 2025

.TODAY...Northeast winds 5 to 10 knots, becoming southeast near
10 knots late. Bay waters smooth to slightly choppy. A chance of
showers and thunderstorms.
.TONIGHT...Southeast winds 10 knots, becoming northeast after
midnight. Bay waters smooth. A chance of showers and
thunderstorms.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers and thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-240030-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
632 AM CDT Sat Aug 23 2025

.TODAY...Northeast winds 10 knots, becoming east late. Seas 1
foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Showers
and thunderstorms likely, mainly this morning.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds. A chance of showers and
thunderstorms.
.SUNDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds and south 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: Southeast
1 foot at 3 seconds. A chance of showers and thunderstorms after
midnight.
.MONDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot
at 3 seconds. A chance of showers and thunderstorms in the
morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers
and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers and thunderstorms.
.WEDNESDAY...East winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas around
2 feet. A chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-240030-
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-
632 AM CDT Sat Aug 23 2025

.TODAY...Northeast to east winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 2 seconds. Showers and
thunderstorms likely, mainly this morning.
.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds and south 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.SUNDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 3 seconds. Showers and
thunderstorms likely, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: Southeast
1 foot at 3 seconds. A chance of showers and thunderstorms after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds and southeast
1 foot at 2 seconds. A chance of showers and thunderstorms after
midnight.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...East winds around 10 knots. Seas around 2 feet.
Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas around
2 feet. A chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$