905
FZUS54 KHGX 161803
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
103 PM 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.

GMZ300-170715-
103 PM 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 today into Friday. Mariners are
advised to check the forecast for the updates due to uncertainties
regarding the tropical disturbance.

$$

GMZ335-170715-
Galveston Bay-
103 PM CDT Wed Jul 16 2025

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

$$

GMZ330-170715-
Matagorda Bay-
103 PM CDT Wed Jul 16 2025

.THIS AFTERNOON...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TONIGHT...South winds 10 to 15 knots with gusts up to 20 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.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms in the morning.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters smooth to
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.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-170715-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
103 PM CDT Wed Jul 16 2025

.THIS AFTERNOON...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 5 seconds.
.TONIGHT...South winds 10 to 15 knots, becoming southwest around
10 knots after midnight. Seas around 2 feet. Wave Detail:
Southwest 1 foot at 5 seconds.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southwest 1 foot at
4 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds. A chance of
showers and thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 1 foot at 4 seconds. Showers and thunderstorms
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 2 to 3 feet.
.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.

$$

GMZ370-375-170715-
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-
103 PM CDT Wed Jul 16 2025

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

$$