635
FZUS54 KHGX 190512
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1212 AM CDT Sat Jul 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.

GMZ300-191815-
1212 AM CDT Sat Jul 19 2025

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

Isolated showers will be possible through the late morning, but
then mostly dry conditions are expected to persist through at
least midweek next week as high pressure builds across the region.
Expect low seas and light onshore winds to prevail.

$$

GMZ335-191815-
Galveston Bay-
1212 AM CDT Sat Jul 19 2025

.REST OF TONIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy. A slight chance of showers and thunderstorms
late.
.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 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 5 to 10 knots. Bay waters smooth.
.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.

$$

GMZ330-191815-
Matagorda Bay-
1212 AM CDT Sat Jul 19 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 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.

$$

GMZ350-355-191815-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1212 AM CDT Sat Jul 19 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 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at
4 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at
5 seconds.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 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 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.

$$

GMZ370-375-191815-
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-
1212 AM CDT Sat Jul 19 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: Southeast 3 feet at 6 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: Southeast 3 feet at 6 seconds.
.MONDAY...South winds around 10 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 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.

$$