674
FZUS54 KHGX 022321
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
621 PM CDT Sat Aug 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.

GMZ300-031215-
621 PM CDT Sat Aug 2 2025

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

Persistent low seas and generally light, but occasionally
moderate winds driven by the daily seabreeze and landbreeze cycle
will continue to prevail. Expect daily opportunities for isolated
to scattered showers and thunderstorms into next week. Stronger
winds and rougher seas can occur in the vicinity of any
thunderstorms. In some cases, thunderstorm winds can extend far
from the associated storm.

$$

GMZ335-031215-
Galveston Bay-
621 PM CDT Sat Aug 2 2025

.TONIGHT...South winds around 5 knots, becoming northwest late
this evening and overnight. Bay waters smooth. A chance of
thunderstorms. A chance of showers until early morning, then
showers likely late.
.SUNDAY...North winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth.
.MONDAY...North winds around 5 knots, becoming east in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Bay waters smooth.
.TUESDAY...North winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-031215-
Matagorda Bay-
621 PM CDT Sat Aug 2 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Bay waters smooth. A chance of showers and thunderstorms.
.SUNDAY...West winds around 5 knots, becoming south in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.MONDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-031215-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
621 PM CDT Sat Aug 2 2025

.TONIGHT...South winds 5 to 10 knots, becoming west late this
evening and overnight. Seas 1 foot or less. Wave Detail:
Southwest 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at
4 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds.
.MONDAY...West winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds. A chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds.
.TUESDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers and
thunderstorms in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-031215-
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-
621 PM CDT Sat Aug 2 2025

.TONIGHT...Southwest winds around 5 knots, becoming west after
midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds. A chance of showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers
after midnight.
.MONDAY...West winds around 5 knots, becoming northeast in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds and east 1 foot at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at
4 seconds and east 1 foot at 5 seconds.
.TUESDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
4 seconds and east 1 foot at 5 seconds. A chance of showers and
thunderstorms in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$