217
FZUS54 KHGX 090020
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
720 PM CDT Fri Aug 8 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.

GMZ300-091330-
720 PM CDT Fri Aug 8 2025

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

Light onshore winds and low seas will prevail for the next
several days. A daily risk of isolated to scattered showers and
thunderstorms will continue with highest chances during the late
night through early afternoon hours each day.

$$

GMZ335-091330-
Galveston Bay-
720 PM CDT Fri Aug 8 2025

.TONIGHT...Southeast winds 10 to 15 knots diminishing to 5 to 10
knots. Bay waters slightly choppy.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight. A chance of showers and
thunderstorms after midnight.
.SUNDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Bay waters smooth. A chance of showers and
thunderstorms after midnight.
.MONDAY...Northwest winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots, becoming southwest
around 5 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.TUESDAY...West 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-091330-
Matagorda Bay-
720 PM CDT Fri Aug 8 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-091330-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
720 PM CDT Fri Aug 8 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Southeast 1 foot
at 6 seconds. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of
showers and thunderstorms after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds. A chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of
showers and thunderstorms after midnight.
.MONDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot
at 4 seconds. A chance of showers and thunderstorms in the
morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas around 2 feet. A chance of showers and
thunderstorms in the morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-091330-
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-
720 PM CDT Fri Aug 8 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 2 seconds and southeast 1 foot
at 6 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Southeast 1 foot
at 6 seconds, becoming southeast 1 foot at 5 seconds. A slight
chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of
showers and thunderstorms after midnight.
.SUNDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds. Showers likely with a
chance of thunderstorms in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas around 2 feet. Wave Detail: Southeast 1 foot
at 4 seconds. A chance of showers after midnight.
.MONDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot
at 4 seconds. A chance of showers and thunderstorms in the
morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...South winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet. A chance of showers in the
morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$