125
FZUS54 KHGX 080530
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1230 AM CDT Tue Sep 8 2026

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.

GMZ300-081815-
1230 AM CDT Tue Sep 8 2026

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

Light winds and low seas will prevail for the next several days.
Daily isolated to scattered showers and storms are expected.
Stronger storms could produce wind gusts to 30 knots, frequent
lightning, and heavy downpours. The best chances will be in the
morning through early afternoon hours. Onshore winds become
moderate towards the end of the week.

$$

GMZ335-081815-
Galveston Bay-
1230 AM CDT Tue Sep 8 2026

.REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...East winds 5 to 10 knots. Bay waters smooth. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of thunderstorms in the evening. A chance of
showers.
.THURSDAY...West winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-081815-
Matagorda Bay-
1230 AM CDT Tue Sep 8 2026

.REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...South winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.WEDNESDAY...East winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth. A chance of showers. A chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers after midnight.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...Southwest winds around 10 knots, becoming south 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon. A chance of showers and
thunderstorms in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-081815-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1230 AM CDT Tue Sep 8 2026

.REST OF TONIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds.
.TUESDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 3 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 4 seconds. A chance of showers
and thunderstorms after midnight.
.THURSDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A chance of thunderstorms in the morning. A chance of
showers.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
A chance of showers and thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance
of showers and thunderstorms in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-081815-
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-
1230 AM CDT Tue Sep 8 2026

.REST OF TONIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds.
.TUESDAY...South winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
4 seconds. A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 3 seconds.
.WEDNESDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A chance of thunderstorms in
the morning. A chance of showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 1 foot or less. Wave Detail: South 1 foot at
4 seconds. A chance of showers after midnight.
.THURSDAY...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
A chance of showers and thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance
of showers and thunderstorms in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...South winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$