Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 100453
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1153 PM CDT Thu Oct 9 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.

GMZ300-101745-
1153 PM CDT Thu Oct 9 2025

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

East to northeast winds are expected to pick back up fairly
quickly in the overnight hours and back closer to 20 knots with
some higher gusts continuing into to mid morning hours Friday.
Water levels will also be running above normal due in part to the
moon phase and existing easterly fetch. Marine weather conditions
will gradually improve later today and through the weekend. A more
predominant onshore flow resumes Saturday evening and Sunday.

$$

GMZ335-101745-
Galveston Bay-
1153 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT FRIDAY...

.TONIGHT...East to northeast winds increasing to near 20 knots
with some higher gusts. Bay waters choppy.
.FRIDAY...Northeast winds 20 knots early in the morning,
diminishing to 10 to 15 knots in the afternoon. Bay waters
choppy, diminishing to slightly choppy in the afternoon.
.FRIDAY NIGHT...Northeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SATURDAY...East winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 5 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, becoming west
around 5 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.

$$

GMZ355-101745-
Coastal waters from High Island to Freeport TX out 20 NM-
1153 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...East winds increasing to 15 to 25 knots. Seas 3 to 5
feet. Wave Detail: East 4 feet at 6 seconds.
.FRIDAY...Northeast winds 15 to 25 knots early in the morning,
diminishing to around 15 knots in the afternoon. Seas 3 to 5 feet.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 7 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: East 2 feet at 7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.TUESDAY...East winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ375-101745-
Waters from High Island to Freeport TX from 20 to 60 NM-
1153 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...Northeast winds increasing to 15 to 25 knots. Seas 4
to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet
at 7 seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at
7 seconds.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 7 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 8 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
.TUESDAY...East winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ330-101745-
Matagorda Bay-
1153 PM CDT Thu Oct 9 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 9 AM CDT
FRIDAY...

.TONIGHT...East winds 15 to 20 knots in the southern bay, and 10
to 15 knots northern bay. Bay waters choppy, diminishing to
slightly choppy late this evening and overnight.
.FRIDAY...Northeast winds 15 to 20 knots diminishing to 10 to 15
knots in the afternoon. Bay waters choppy becoming slightly
choppy.
.FRIDAY NIGHT...Northeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SATURDAY...Northeast winds around 10 knots, becoming east in the
afternoon. Bay waters smooth to slightly choppy, diminishing to
smooth in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.

$$

GMZ350-101745-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
1153 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...East winds 15 to 25 knots. Seas 4 to 6 feet,
occasionally to 7 feet. Wave Detail: Southeast 5 feet at 7
seconds.
.FRIDAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail:
Southeast 5 feet at 7 seconds.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 6 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...East winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$

GMZ370-101745-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-
1153 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...East winds 15 to 25 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Southeast 5 feet at 7
seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 5 feet at 7 seconds.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...Northeast winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 7 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 8 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas around 3 feet.
Wave Detail: East 3 feet at 8 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$