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FZUS54 KHGX 241651
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1151 AM CDT Sun Aug 24 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.

GMZ300-250600-
1151 AM CDT Sun Aug 24 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 through
Monday before a more predominant onshore flow sets up for the
remainder of the week. A daily risk of isolated showers and
thunderstorms continues into Monday, followed by some increasing
chances Tuesday through Thursday as another weak frontal boundary
sags into parts of Southeast Texas.

$$

GMZ335-250600-
Galveston Bay-
1151 AM CDT Sun Aug 24 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots, becoming
southeast late. Bay waters smooth.
.TONIGHT...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...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. 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...Southeast winds 5 to 10 knots. Bay waters
smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-250600-
Matagorda Bay-
1151 AM CDT Sun Aug 24 2025

.THIS AFTERNOON...East winds 5 to 10 knots, becoming southeast
late. Bay waters smooth, increasing to smooth to slightly choppy
late. A slight chance of showers and thunderstorms early. A
slight chance of showers and thunderstorms late.
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY...Northeast winds around 5 knots, becoming southeast
10 to 15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers after midnight.
.TUESDAY...Southeast 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.
.WEDNESDAY...East winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.THURSDAY...Southeast winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-250600-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1151 AM CDT Sun Aug 24 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots, becoming east
late. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. A chance of showers with a slight chance of
thunderstorms early, then a slight chance of showers and
thunderstorms early.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 2 seconds.
.MONDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Southeast
1 foot at 4 seconds. A chance of showers after midnight.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon. Wave Detail: Southeast
1 foot at 4 seconds, becoming southeast 2 feet at 6 seconds and
southeast 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of
showers. A chance of thunderstorms after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-250600-
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-
1151 AM CDT Sun Aug 24 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Seas 1 foot or
less. A chance of thunderstorms early. A chance of showers. A
slight chance of thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 3 seconds.
.MONDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Southeast
1 foot at 4 seconds. A chance of showers after midnight.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and northeast 1 foot
at 3 seconds. A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 3 seconds and southeast
2 feet at 6 seconds. A chance of showers. A chance of
thunderstorms after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. A
chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A chance of showers after midnight.
.THURSDAY...Southeast winds around 10 knots. Seas around 3 feet.
A chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$