Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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038
FZUS54 KHGX 010014
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
714 PM CDT Mon Jun 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.

GMZ300-011315-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
714 PM CDT Mon Jun 30 2025

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

Light to occasionally moderate onshore winds and relatively low
seas are expected through the rest of the week as high pressure
settles over the region. Isolated showers and thunderstorms cannot
be ruled out each day.

$$

GMZ335-011315-
Galveston Bay-
714 PM CDT Mon Jun 30 2025

.REST OF TONIGHT...South winds 5 to 10 knots, veering to
southwest late. Bay waters smooth. Hazy.
.TUESDAY...West winds around 5 knots, backing to south in the
afternoon. Bay waters smooth. Hazy.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
smooth. Hazy.
.WEDNESDAY...Southwest winds 5 to 10 knots, backing to south in
the afternoon. Bay waters smooth. Hazy.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
smooth. Hazy.
.THURSDAY...Southwest winds around 5 knots, backing to south in
the afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

$$

GMZ330-011315-
Matagorda Bay-
714 PM CDT Mon Jun 30 2025

.REST OF TONIGHT...South winds around 10 knots, backing to
southeast late. Bay waters smooth to slightly choppy, easing to
smooth late. Hazy.
.TUESDAY...East winds around 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay waters slightly choppy. Hazy. A
slight chance of showers and thunderstorms late in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
around 10 knots late. Bay waters slightly choppy, easing to
smooth late. Hazy.
.WEDNESDAY...Southeast winds around 10 knots, rising to 10 to
15 knots late. Bay waters smooth, rising to slightly choppy late.
Hazy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, easing to around
10 knots late. Bay waters slightly choppy, easing to smooth late.
Hazy.
.THURSDAY...South winds around 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay waters smooth, rising to slightly
choppy in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...South winds around 10 knots, rising to 10 to 15 knots
in the afternoon. Bay waters smooth, rising to slightly choppy in
the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.



$$

GMZ350-355-011315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
714 PM CDT Mon Jun 30 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds. Hazy.
.TUESDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. Hazy.
.TUESDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds. Hazy.
.WEDNESDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. Hazy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Hazy.
.THURSDAY...South winds 5 to 10 knots. Seas around 3 feet in the
morning, then around 2 feet or less. Wave Detail: Southeast
3 feet at 7 seconds, becoming southeast 2 feet at 6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
.FRIDAY...South winds 5 to 10 knots. Seas around 3 feet in the
morning, then around 2 feet or less.
.FRIDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet or
less.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet
or less.

$$

GMZ370-375-011315-
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-
714 PM CDT Mon Jun 30 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds. Hazy.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 7 seconds. Hazy. A slight chance of
showers and thunderstorms late in the morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 7 seconds. Hazy.
.WEDNESDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. Hazy.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Hazy.
.THURSDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.THURSDAY NIGHT...South winds around 10 knots. Seas around
3 feet.
.FRIDAY...South winds 5 to 10 knots. Seas around 3 feet in the
morning, then around 2 feet or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet or
less, then around 3 feet after midnight.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet or
less.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet
or less.



$$