Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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329
FZUS54 KHGX 051722
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1222 PM CDT Sun Oct 5 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.

GMZ300-060545-
1222 PM CDT Sun Oct 5 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 with the greatest coverage likely staying in the
offshore waters. Small craft should exercise caution in the Gulf
waters through this evening for easterly winds of 15 to 20 knots.
Occasional gusts to 25 knots and locally higher seas of 6 feet
are possible. Light onshore winds and and low seas will persist
through the first half of this upcoming week, then a period of
moderate northeasterly winds are possible Wednesday into Thursday.

$$

GMZ335-060545-
Galveston Bay-
1222 PM CDT Sun Oct 5 2025

.THIS AFTERNOON...East winds 10 to 15 knots. Bay waters slightly
choppy.
.TONIGHT...East winds around 10 knots. Bay waters smooth to
slightly choppy.
.MONDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth.
.TUESDAY NIGHT...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...East winds around 15 knots, becoming northeast
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 10 to 15 knots. Bay waters
slightly choppy.

$$

GMZ330-060545-
Matagorda Bay-
1222 PM CDT Sun Oct 5 2025

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

$$

GMZ350-355-060545-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1222 PM CDT Sun Oct 5 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
THIS EVENING...

.THIS AFTERNOON...Northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of
showers early.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. A slight chance of showers and
thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
6 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 4 seconds and southeast
2 feet at 7 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers
after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to
3 feet.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-060545-
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-
1222 PM CDT Sun Oct 5 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
THIS EVENING...

.THIS AFTERNOON...Northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of
showers.
.TONIGHT...East winds 10 to 15 knots, becoming southeast after
midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at
7 seconds. A slight chance of showers. A slight chance of
thunderstorms after midnight.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 7 seconds and northeast
1 foot at 4 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds. A chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
4 feet. A chance of showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$