101
FZUS54 KHGX 021147
CWFHGX

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

GMZ300-030030-
647 AM 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 this morning. 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, while becoming
erratic and gusty in and around any storms. Rain chances decrease
significantly by the middle of the week, while winds and seas are
expected to remain rather light and low.

$$

GMZ335-030030-
Galveston Bay-
647 AM CDT Tue Sep 2 2025

.TODAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.TONIGHT...Northeast winds around 5 knots. Bay waters smooth.
.WEDNESDAY...North winds around 5 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters
smooth.
.THURSDAY...West winds around 5 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-030030-
Matagorda Bay-
647 AM CDT Tue Sep 2 2025

.TODAY...Northeast winds 5 to 10 knots, becoming east late. Bay
waters smooth, increasing to smooth to slightly choppy late. A
chance of showers and thunderstorms until late afternoon, then a
slight chance of showers and thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Bay waters smooth.
.THURSDAY...Southwest 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 around 10 knots. Bay waters
smooth to 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 around 10 knots. Bay waters
smooth to slightly choppy. A chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-030030-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
647 AM CDT Tue Sep 2 2025

.TODAY...Northeast winds around 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. A chance of showers and
thunderstorms until late afternoon, then a slight chance of
showers and thunderstorms late.
.TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds.
.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...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas around 2 feet. Wave Detail: East 1 foot at
5 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 5 seconds, becoming east 1 foot at 5 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southeast 1 foot
at 4 seconds, becoming 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 1 foot or
less, then around 2 feet 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 after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-030030-
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-
647 AM CDT Tue Sep 2 2025

.TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. Showers likely this morning. A
chance of thunderstorms. A chance of showers this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 4 seconds. A slight chance of
showers and thunderstorms after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
5 seconds.
.THURSDAY...West winds around 5 knots, becoming northeast 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: East 1 foot
at 5 seconds, becoming southeast 2 feet at 5 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet 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 after midnight.

Winds and seas higher in and near thunderstorms.

$$