654
FZUS54 KHGX 190516
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1216 AM CDT Sun Jul 19 2026

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.

GMZ300-191830-
1216 AM CDT Sun Jul 19 2026

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

Favorable marine conditions are anticipated into midweek. Surface
high pressure will be situated across the northwest Gulf. Southwest
winds late at night and in the mornings should become more
southerly in the afternoon and evenings as the seabreeze pushes
inland. Speeds will generally be in the 8-15kt range...highest at
night in the Gulf, and in the afternoons and evenings in the bays.

$$

GMZ335-191830-
Galveston Bay-
1216 AM CDT Sun Jul 19 2026

.REST OF TONIGHT...Southwest winds around 10 knots. Bay waters
smooth to slightly choppy.
.SUNDAY...Southwest winds around 10 knots, becoming south 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters
slightly choppy.
.MONDAY...West winds 5 to 10 knots in the morning, becoming
southwest 10 to 15 knots in the afternoon. Bay waters smooth to
slightly choppy.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...West winds 5 to 10 knots, becoming southwest near 10
knots in the afternoon. Bay waters smooth.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters
slightly choppy.
.WEDNESDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters
slightly choppy.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Bay waters smooth to slightly choppy, diminishing
to smooth after midnight.

$$

GMZ330-191830-
Matagorda Bay-
1216 AM CDT Sun Jul 19 2026

.REST OF TONIGHT...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 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

$$

GMZ350-355-191830-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1216 AM CDT Sun Jul 19 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: South 2 feet at 6 seconds.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: South 2 feet at 4 seconds.
.TUESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.
.THURSDAY...West winds 10 to 15 knots, becoming southwest around
10 knots in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.

$$

GMZ370-375-191830-
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-
1216 AM CDT Sun Jul 19 2026

.REST OF TONIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.SUNDAY NIGHT...South winds around 10 knots, becoming southwest
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
South 2 feet at 6 seconds.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at
9 seconds.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 4 seconds and southeast
1 foot at 9 seconds.
.TUESDAY...West winds 10 to 15 knots, becoming southwest around
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southwest 2 feet at 4 seconds.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots, diminishing to
around 10 knots in the afternoon. Seas around 2 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet.

$$