978
FZUS54 KHGX 190045
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
745 PM CDT Fri Jul 18 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.

GMZ300-191315-
745 PM CDT Fri Jul 18 2025

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

As high pressure builds back into the region, expect light
onshore winds and low seas to prevail through the weekend and
into next week.

$$

GMZ335-191315-
Galveston Bay-
745 PM CDT Fri Jul 18 2025

.REST OF TONIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy. A slight chance of showers and thunderstorms
early this evening.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.MONDAY NIGHT...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.TUESDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.TUESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-191315-
Matagorda Bay-
745 PM CDT Fri Jul 18 2025

.REST OF TONIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

$$

GMZ350-355-191315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
745 PM CDT Fri Jul 18 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Seas around
2 feet. Wave Detail: South 2 feet at 4 seconds.
.SATURDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas around
2 feet.

$$

GMZ370-375-191315-
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-
745 PM CDT Fri Jul 18 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Seas around
2 feet. Wave Detail: South 2 feet at 4 seconds.
.SATURDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.MONDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.

$$