241
FZUS54 KHGX 031700
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1200 PM CDT Wed Sep 3 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.

GMZ300-040515-
1200 PM CDT Wed Sep 3 2025

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

Light winds and low seas will remain through early this weekend.
An isolated shower or storm can`t be ruled out over the next
couple of days, but overall expect the drier air to remain in
control. Rain and storm chances increase over the weekend into
early next week.

$$

GMZ335-040515-
Galveston Bay-
1200 PM CDT Wed Sep 3 2025

.THIS AFTERNOON...Northwest winds around 5 knots, becoming south
around 5 knots. Bay waters smooth. A slight chance of showers
with isolated thunderstorms.
.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Bay waters smooth. A slight chance of showers with
isolated thunderstorms in the evening.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.
.FRIDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.SUNDAY NIGHT...East winds around 10 knots, becoming northeast
10 to 15 knots after midnight. Bay waters smooth, increasing to
slightly choppy after midnight. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-040515-
Matagorda Bay-
1200 PM CDT Wed Sep 3 2025

.THIS AFTERNOON...North winds around 5 knots, becoming northeast
early, then becoming southeast late. Bay waters smooth. A slight
chance of showers with isolated thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers with isolated thunderstorms in the evening.
.THURSDAY...West winds around 5 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers. A chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers. A chance of thunderstorms after
midnight.
.SUNDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of thunderstorms. Showers likely.
.SUNDAY NIGHT...East winds around 10 knots. Bay waters smooth to
slightly choppy. Showers likely. A chance of thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-040515-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1200 PM CDT Wed Sep 3 2025

.THIS AFTERNOON...North winds around 5 knots, becoming southeast
late. Seas 1 foot or less, then around 2 feet. Wave Detail: East
1 foot at 4 seconds. A slight chance of showers with isolated
thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 5 seconds. A slight chance of showers and
thunderstorms.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: East 1 foot at 5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Wave Detail: East 1 foot at
5 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 5 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Wave Detail: East 1 foot at
5 seconds. A chance of showers after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Showers likely in the evening, then showers likely with a chance
of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-040515-
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-
1200 PM CDT Wed Sep 3 2025

.THIS AFTERNOON...North winds 5 to 10 knots, becoming east late.
Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. A
slight chance of showers with isolated thunderstorms early.
.TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 6 seconds.
.THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 1 foot at 6 seconds.
.THURSDAY NIGHT...South winds around 10 knots, increasing to
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
East 1 foot at 5 seconds.
.FRIDAY...South winds 10 to 15 knots, becoming southeast around
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
1 foot at 5 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: East 1 foot at 5 seconds. A chance of
showers after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.SUNDAY NIGHT...East winds around 10 knots. Seas 2 to 4 feet.
Showers likely in the evening, then showers likely with a chance
of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$