300
FZUS54 KHGX 071641
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1141 AM CDT Tue Oct 7 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.

GMZ300-080515-
1141 AM CDT Tue Oct 7 2025

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

Isolated showers will be possible over the coastal waters through
this week, primarily in the pre-dawn and early morning hours.
The best potential for these showers for at least the next night
or two appears to be farther offshore, 20 to 60 nm out.
Light onshore winds and and low seas will continue through
Wednesday, then a period of moderate northeasterly winds is
expected as early as Wednesday night and persist through Friday
with seas between 4 and 6 feet. Small Craft Advisories are
possible in the coastal waters during this timeframe.

$$

GMZ335-080515-
Galveston Bay-
1141 AM CDT Tue Oct 7 2025

.THIS AFTERNOON...Northeast winds around 5 knots, becoming
southeast late. Bay waters smooth. A slight chance of showers.
.TONIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Bay waters smooth.
.WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...Northeast winds around 15 knots, increasing to
15 to 20 knots after midnight. Bay waters slightly choppy,
increasing to choppy after midnight.
.THURSDAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Bay waters choppy, diminishing to
slightly choppy in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots. Bay waters
choppy.
.FRIDAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Bay waters choppy, diminishing to
slightly choppy in the afternoon.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...East winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

$$

GMZ330-080515-
Matagorda Bay-
1141 AM CDT Tue Oct 7 2025

.THIS AFTERNOON...East winds around 10 knots, becoming southeast
10 to 15 knots late. Bay waters smooth, increasing to slightly
choppy late. A slight chance of showers.
.TONIGHT...Southeast winds 10 to 15 knots, becoming northeast
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots, becoming east in the
afternoon. Bay waters slightly choppy.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.THURSDAY...Northeast winds 15 to 20 knots. Bay waters choppy.
.THURSDAY NIGHT...East winds around 15 knots, becoming northeast
15 to 20 knots after midnight. Bay waters slightly choppy,
increasing to choppy after midnight.
.FRIDAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Bay waters choppy, diminishing to
slightly choppy in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...Northeast winds 10 to 15 knots, becoming east in the
afternoon. Bay waters slightly choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

$$

GMZ350-355-080515-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1141 AM CDT Tue Oct 7 2025

.THIS AFTERNOON...East winds around 10 knots, increasing to 10 to
15 knots late. Seas around 2 feet. Wave Detail: East 2 feet at
4 seconds. A slight chance of showers.
.TONIGHT...Southeast winds 10 to 15 knots, becoming east around
10 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds.
.WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at
6 seconds.
.WEDNESDAY NIGHT...East winds around 15 knots, becoming northeast
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 5 seconds.
.THURSDAY...Northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 5 seconds.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at
6 seconds.
.FRIDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

$$

GMZ370-375-080515-
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-
1141 AM CDT Tue Oct 7 2025

.THIS AFTERNOON...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds.
.WEDNESDAY...Northeast winds around 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at
5 seconds.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up
to 25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at
5 seconds. A chance of showers.
.THURSDAY...Northeast winds 20 to 25 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A
chance of showers.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at
6 seconds.
.FRIDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet.
.FRIDAY NIGHT...Northeast winds around 15 knots. Seas 3 to
4 feet.
.SATURDAY...Northeast winds 10 to 15 knots. Seas around 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

$$