050
FZUS54 KHGX 170605
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1205 AM CST Mon Nov 17 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.

GMZ300-171915-
1205 AM CST Mon Nov 17 2025

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

Light to occasionally moderate onshore flow and low seas will
prevail through Tuesday. As patchy fog develops inland for the
next couple of nights, some of that fog may drift across the upper
portions of the Bays during the late night to early morning
hours. The onshore flow is expected to strengthen late Wednesday
into Thursday ahead of an approaching cold front. Caution flags
and potentially Small Craft Advisories may be needed through
early Friday.

$$

GMZ335-171915-
Galveston Bay-
1205 AM CST Mon Nov 17 2025

.TODAY...South winds around 10 knots, increasing to 10 to
15 knots this afternoon. Bay waters slightly choppy. Patchy fog
early this morning.
.TONIGHT...South winds 10 to 15 knots, diminishing to around
10 knots after midnight. Bay waters slightly choppy, diminishing
to smooth after midnight.
.TUESDAY...South winds 5 to 10 knots. Bay waters smooth. Patchy
fog in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.THURSDAY...Southeast winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Bay waters slightly choppy, increasing
to choppy in the afternoon. A chance of showers in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters
choppy. A chance of showers in the evening, then showers likely
after midnight.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. Showers
likely, mainly in the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming northwest
after midnight. Bay waters smooth, increasing to smooth to
slightly choppy after midnight. A chance of showers.

$$

GMZ330-171915-
Matagorda Bay-
1205 AM CST Mon Nov 17 2025

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots.
Bay waters slightly choppy. Patchy fog early this morning.
.TONIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.WEDNESDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers in the morning. Patchy fog in the
morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.THURSDAY...Southeast winds 15 to 20 knots. Bay waters choppy. A
chance of showers.
.THURSDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy.
A chance of showers and thunderstorms in the evening, then
showers likely after midnight.
.FRIDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Bay waters smooth, increasing to smooth to
slightly choppy after midnight. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-171915-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1205 AM CST Mon Nov 17 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 6 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.WEDNESDAY NIGHT...Southeast winds around 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 6 seconds.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A
chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers in the evening, then showers likely after
midnight.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Showers
likely, mainly in the morning.
.FRIDAY NIGHT...South winds around 10 knots, becoming northwest
after midnight. Seas 2 to 4 feet. A chance of showers.

$$

GMZ370-375-171915-
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-
1205 AM CST Mon Nov 17 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: South 3 feet at 6 seconds.
.WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up
to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at
5 seconds.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. A
chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet. A
chance of showers.
.FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet. Showers
likely, mainly in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers.

$$