439
FZUS54 KHGX 190518
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1218 AM CDT Thu Jun 19 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.

GMZ300-191745-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
1218 AM CDT Thu Jun 19 2025

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

South and southeast winds in the 10 to 15 knot range, maybe
intermittently slightly higher at times, should generally prevail
through the weekend. Isolated to scattered showers and
thunderstorms remain a daily possibility.

$$

GMZ335-191745-
Galveston Bay-
1218 AM CDT Thu Jun 19 2025

.REST OF TONIGHT...South winds around 15 knots. Bay waters
slightly choppy to choppy.
.THURSDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A slight chance of showers and thunderstorms in
the late morning and afternoon.
.THURSDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.
.FRIDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-191745-
Matagorda Bay-
1218 AM CDT Thu Jun 19 2025

.REST OF TONIGHT...Southeast winds around 15 knots. Bay waters
slightly choppy to choppy.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms until late
afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SUNDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.MONDAY...Southeast winds around 10 knots, rising to 10 to
15 knots in the afternoon. Bay waters smooth, rising to slightly
choppy in the afternoon. A chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-191745-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1218 AM CDT Thu Jun 19 2025

.REST OF TONIGHT...South winds around 15 knots. Seas 3 to 4 feet.
Wave Detail: South 4 feet at 6 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.FRIDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 8 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet.
.MONDAY...Southeast winds around 10 knots. Seas around 3 feet. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots after midnight. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-191745-
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-
1218 AM CDT Thu Jun 19 2025

.REST OF TONIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet. Wave Detail: Southeast 4 feet at 6 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of
showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.FRIDAY...Southeast winds around 10 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds and south 2 feet at
8 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY...Southeast winds around 10 knots. Seas around 3 feet. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet. A chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$