792
FZUS54 KHGX 310039
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
739 PM CDT Sat Aug 30 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.

GMZ300-311315-
739 PM CDT Sat Aug 30 2025

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

A stalled frontal boundary will continue to bring scattered
showers and thunderstorms to the region over the next few days.
Winds outside of storms will generally be light and variable.
However, locally stronger winds in the vicinity of thunderstorms
are likely. While rain chances should dwindle inland, daily
isolated to scattered showers and storms may persist over the
Gulf.

$$

GMZ335-311315-
Galveston Bay-
739 PM CDT Sat Aug 30 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers with a slight chance of thunderstorms
early this evening. A slight chance of showers and thunderstorms,
then a chance of showers and thunderstorms late.
.SUNDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers and thunderstorms.
.MONDAY...Northeast winds 5 to 10 knots. Bay waters smooth.
Showers and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers.
.TUESDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers in the morning.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northwest
after midnight. Bay waters smooth.
.WEDNESDAY...Northwest winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest after midnight. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-311315-
Matagorda Bay-
739 PM CDT Sat Aug 30 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
A slight chance of showers and thunderstorms late.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the evening, then showers
and thunderstorms likely after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Bay waters smooth.
Showers and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers.
.TUESDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers in the morning.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming north after
midnight. Bay waters smooth.
.WEDNESDAY...North winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
after midnight. Bay waters smooth.
.THURSDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-311315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
739 PM CDT Sat Aug 30 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A slight
chance of showers with isolated thunderstorms early this evening.
A slight chance of showers and thunderstorms, then a chance of
showers and thunderstorms late.
.SUNDAY...South winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds, becoming east
1 foot at 4 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 4 seconds. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 3 seconds. Showers and thunderstorms
likely.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds. A chance of
showers.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: North 1 foot at 2 seconds and east 1 foot at
4 seconds. A chance of showers in the morning.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet in the evening, then 1 foot or
less.
.WEDNESDAY...Northwest winds around 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or
less.
.THURSDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-311315-
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-
739 PM CDT Sat Aug 30 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A chance of
showers and thunderstorms.
.SUNDAY...South winds around 5 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
4 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 3 seconds. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot
at 8 seconds. Showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northeast 1 foot at 3 seconds. A chance of
showers in the evening, then showers likely after midnight.
.TUESDAY...Northeast winds around 10 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 4 seconds and southeast 1 foot at
6 seconds. A chance of showers in the morning.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet.
.WEDNESDAY...North winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming west
after midnight. Seas around 2 feet in the evening, then 1 foot or
less.
.THURSDAY...North winds around 10 knots, becoming northeast in
the afternoon. Seas 1 foot or less.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 1 foot or less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$