125
FZUS54 KHGX 161031
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
531 AM CDT Wed Jul 16 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.

GMZ300-162330-
531 AM CDT Wed Jul 16 2025

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

Onshore winds in the 5 to 15 knot range with occasionally higher
gusts and 2 to 4 foot seas are in the forecast through the end of
the week. Mostly dry conditions are expected today. However, rain
chances increase late Thursday into Friday as a disturbance
approaches from the east. NHC continues to monitor this
disturbance in the northeast and north central Gulf for some
potential tropical development in the coming days. Mariners are
advised to check the forecast for the updates due to uncertainties
regarding the tropical disturbance.

$$

GMZ335-162330-
Galveston Bay-
531 AM CDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Bay waters smooth.
.TONIGHT...Southwest winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth. Showers likely with a chance of
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and thunderstorms after
midnight.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-162330-
Matagorda Bay-
531 AM CDT Wed Jul 16 2025

.TODAY...South winds 10 to 15 knots. Bay waters slightly choppy.
.TONIGHT...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. A chance
of showers in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.

$$

GMZ350-355-162330-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
531 AM CDT Wed Jul 16 2025

.TODAY...South winds 10 to 15 knots, diminishing to around
10 knots this afternoon. Seas 2 to 3 feet.
.TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southwest 1 foot at
4 seconds.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds. A chance of showers after
midnight.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 1 foot at 4 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 3 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas around 3 feet. A
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-162330-
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-
531 AM CDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.TONIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.THURSDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: Southwest 1 foot
at 4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers
after midnight.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms.
A chance of showers.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: South 2 feet at 4 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$