266
FZUS54 KHGX 131153
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
653 AM CDT Sun Jul 13 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.

GMZ300-140015-
653 AM CDT Sun Jul 13 2025

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

A daily chance of showers and thunderstorms continue today into
tomorrow. Chance of rain decreases on Tuesday into Wednesday.
Light to moderate onshore winds and 2 to 4 feet seas expected
through at least the middle of the week. Rain chances increase
towards the end of the work week as a coastal trough approaches.

$$

GMZ335-140015-
Galveston Bay-
653 AM CDT Sun Jul 13 2025

.TODAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A slight chance of showers this morning. A
slight chance of thunderstorms late this morning, then a chance
of showers and thunderstorms this afternoon.
.TONIGHT...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.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...South winds around 10 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 afternoon.
.TUESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.



$$

GMZ330-140015-
Matagorda Bay-
653 AM CDT Sun Jul 13 2025

.TODAY...South winds 10 to 15 knots. Bay waters slightly choppy.
A slight chance of showers. A slight chance of thunderstorms late
this morning and afternoon.
.TONIGHT...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 5 to 10 knots. Bay waters smooth. A chance
of showers in the morning.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...South winds around 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon.
.TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.



$$

GMZ350-355-140015-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
653 AM CDT Sun Jul 13 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of showers. A
slight chance of thunderstorms late this morning and afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.MONDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.WEDNESDAY...South winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet.
.THURSDAY NIGHT...South winds around 10 knots. Seas around
2 feet.



$$

GMZ370-375-140015-
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-
653 AM CDT Sun Jul 13 2025

.TODAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of showers. A
slight chance of thunderstorms late this morning and afternoon.
.TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.MONDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
.THURSDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.



$$