479
FZUS54 KHGX 141017
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
517 AM CDT Mon Jul 14 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.

GMZ300-142315-
517 AM CDT Mon Jul 14 2025

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

A typical summer pattern is anticipated with onshore winds in the
8-15kt range and 2-4 foot seas. Isolated, mainly overnight and
morning showers or thunderstorms are possible in the Gulf and near
the coast, with slightly better chances of storms in the north
parts of the bays in the early-mid afternoon hours. Rain chances
are lower Tuesday through Thursday. NHC will be monitoring the
northeast and north central Gulf for any tropical development
later this week. Chances are currently around 30%. Mariners are
advised to keep up with the latest forecasts.

$$

GMZ335-142315-
Galveston Bay-
517 AM CDT Mon Jul 14 2025

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



$$

GMZ330-142315-
Matagorda Bay-
517 AM CDT Mon Jul 14 2025

.TODAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A slight chance of showers and thunderstorms
until late afternoon.
.TONIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.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. Bay waters
slightly choppy.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters smooth to
slightly choppy.



$$

GMZ350-355-142315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
517 AM CDT Mon Jul 14 2025

.TODAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.TONIGHT...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 around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds around 10 knots. Seas around
2 feet. A chance of showers and thunderstorms after midnight.
.FRIDAY...South winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet.



$$

GMZ370-375-142315-
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-
517 AM CDT Mon Jul 14 2025

.TODAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.TONIGHT...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: Southeast 3 feet at 7 seconds.
.WEDNESDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms after midnight.
.FRIDAY...South winds around 10 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.



$$