Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 040055
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
755 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.

GMZ300-041315-
755 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.

$$

GMZ335-041315-
Galveston Bay-
755 PM CDT Wed Sep 3 2025

.TONIGHT...Southwest winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms early this evening.
.THURSDAY...West winds around 5 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.
.MONDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.MONDAY NIGHT...East winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-041315-
Matagorda Bay-
755 PM CDT Wed Sep 3 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Bay waters smooth. A slight chance of showers and thunderstorms
early this 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.
.MONDAY...East winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of thunderstorms. Showers likely.
.MONDAY NIGHT...East winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-041315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
755 PM CDT Wed Sep 3 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. A
slight chance of showers and thunderstorms late.
.THURSDAY...West winds 5 to 10 knots, becoming southwest 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 around 2 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 3 feet.
Showers likely in the evening, then showers likely with a chance
of thunderstorms after midnight.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of thunderstorms. Showers likely.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-041315-
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-
755 PM CDT Wed Sep 3 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. A
slight chance of showers and thunderstorms late.
.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.
Wave Detail: Southeast 1 foot at 4 seconds. 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 around 2 feet. Showers
likely with a chance of thunderstorms.
.SUNDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
Showers likely in the evening, then showers likely with a chance
of thunderstorms after midnight.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of thunderstorms. Showers likely.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Showers likely with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$