143
FZUS54 KHGX 021739
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1239 PM CDT Tue Sep 2 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.

GMZ300-030615-
1239 PM CDT Tue Sep 2 2025

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

The remains of a stalled front will continue to bring scattered
showers and thunderstorms over the coastal locations and Gulf
waters through the afternoon. Some of the stronger storms will be
capable of producing locally heavy rainfall and gusty winds.
Winds outside of storms will generally be light and variable.
Rain chances decrease significantly by the middle of the week,
while winds and seas are expected to remain rather light and low.

$$

GMZ335-030615-
Galveston Bay-
1239 PM CDT Tue Sep 2 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Bay waters
smooth. A slight chance of showers and thunderstorms.
.TONIGHT...East winds around 5 knots. Bay waters smooth.
.WEDNESDAY...Northwest winds around 5 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
smooth.
.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 5 to 10 knots. Bay waters smooth.
.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 and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-030615-
Matagorda Bay-
1239 PM CDT Tue Sep 2 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Bay waters
smooth. A slight chance of showers and thunderstorms.
.TONIGHT...East winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers and thunderstorms in the evening.
.WEDNESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...Southwest 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 5 to 10 knots. Bay waters smooth.
.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 in the evening, then a chance of
showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-030615-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1239 PM CDT Tue Sep 2 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of
showers and thunderstorms.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: East 1 foot at
4 seconds.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: Southeast 1 foot
at 3 seconds.
.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: Southwest 1 foot at 3 seconds and east 1 foot
at 6 seconds, becoming 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: Southeast 2 feet at
4 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. A chance of showers after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers. A chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-030615-
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-
1239 PM CDT Tue Sep 2 2025

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

Winds and seas higher in and near thunderstorms.

$$