940
FZUS54 KHGX 291756
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1256 PM CDT Tue Jul 29 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.

GMZ300-300615-
1256 PM CDT Tue Jul 29 2025

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

Low seas and light to occasionally moderate winds driven by
seabreeze- landbreeze are expected over the next several days.
Scattered showers and thunderstorms return to the forecast
Thursday into the weekend. Locally higher winds and waves possible
in the vicinity of thunderstorms later this week.

$$

GMZ335-300615-
Galveston Bay-
1256 PM CDT Tue Jul 29 2025

.THIS AFTERNOON...West winds around 5 knots, becoming south
around 5 knots late. Bay waters smooth.
.TONIGHT...Southwest winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Bay waters
smooth to slightly choppy.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest winds around 10 knots. Bay waters
smooth to slightly choppy.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Bay waters smooth to slightly choppy, diminishing to
smooth after midnight. A chance of showers and thunderstorms
after midnight.
.SATURDAY...Northwest winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Bay waters smooth. A chance of showers and
thunderstorms.


$$

GMZ330-300615-
Matagorda Bay-
1256 PM CDT Tue Jul 29 2025

.THIS AFTERNOON...South winds around 5 knots, increasing to 5 to
10 knots late. Bay waters smooth.
.TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.
.THURSDAY...Southwest winds 5 to 10 knots. 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...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

$$

GMZ350-355-300615-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1256 PM CDT Tue Jul 29 2025

.THIS AFTERNOON...North winds around 5 knots, becoming south
around 5 knots late. Seas around 2 feet. Wave Detail: South
2 feet at 6 seconds.
.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds and southwest 1 foot
at 4 seconds.
.WEDNESDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
6 seconds and west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 3 seconds and southeast
1 foot at 6 seconds.
.THURSDAY...Southwest winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas around 2 feet. Wave Detail: South
2 feet at 5 seconds. A chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 4 seconds.
.FRIDAY...Southwest 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.
.FRIDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less. A chance of showers and thunderstorms after midnight.



$$

GMZ370-375-300615-
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-
1256 PM CDT Tue Jul 29 2025

.THIS AFTERNOON...North winds around 5 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and west 1 foot at
2 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds and southwest 1 foot at
4 seconds.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 5 seconds.
.THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and southeast 1 foot
at 6 seconds. A chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southwest 1 foot
at 4 seconds, becoming south 1 foot at 3 seconds.
.FRIDAY...Southwest 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.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
A chance of showers and thunderstorms after midnight.



$$