Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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899
FZUS54 KHGX 182103
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
403 PM CDT Wed Sep 18 2024

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.

GMZ300-190945-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
403 PM CDT Wed Sep 18 2024

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

Generally light onshore winds will continue through the forecast
period. Seas will remain around 1 to 3 feet at least through the
weekend. Rain chances remain low through the end of the week, with
a few isolated storms possible heading into the weekend.

$$

GMZ335-190945-
Galveston Bay-
403 PM CDT Wed Sep 18 2024

.TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.THURSDAY...Southwest winds around 5 knots, veering to northeast
late in the morning, veering to southeast in the afternoon. Bay
waters smooth. Patchy fog early in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
late. Bay waters smooth.
.FRIDAY...Northwest winds around 5 knots, veering to east around
5 knots in the late morning and early afternoon, veering to
southeast late. Bay waters smooth.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast 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...East winds 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.

$$

GMZ330-190945-
Matagorda Bay-
403 PM CDT Wed Sep 18 2024

.TONIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers late. Patchy fog late.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog early in the morning. A slight chance of showers. A
slight chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
late. Bay waters smooth.
.FRIDAY...East winds around 5 knots, veering to southeast in the
afternoon. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY...East winds 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-190945-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
403 PM CDT Wed Sep 18 2024

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: Southeast 1 foot at 5 seconds. A slight chance
of showers late.
.THURSDAY...South winds around 5 knots, backing to east late in
the morning, rising to 5 to 10 knots in the afternoon. Seas
around 2 feet or less. Wave Detail: Southeast 1 foot at
3 seconds. Patchy fog early in the morning. A slight chance of
showers until late afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, veering to south
late. Seas around 2 feet or less. Wave Detail: Southeast 1 foot
at 4 seconds.
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Wave Detail: Southeast 1 foot at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet
or less. Wave Detail: Southeast 1 foot at 3 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: Southeast 2 feet at 5 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet or less.
.SUNDAY...Southeast winds around 10 knots. Seas around 2 feet or
less.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet or less.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet
or less.

$$

GMZ370-375-190945-
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-
403 PM CDT Wed Sep 18 2024

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: Southeast 1 foot at 5 seconds. A slight chance
of showers and thunderstorms late.
.THURSDAY...South winds around 5 knots, backing to east in the
afternoon. Seas around 2 feet or less. Wave Detail: Southeast
1 foot at 4 seconds. A slight chance of showers. A slight chance
of thunderstorms early in the morning. A slight chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming around
5 knots late. Seas around 2 feet or less. Wave Detail: Southeast
1 foot at 4 seconds.
.FRIDAY...East winds around 5 knots, rising to 5 to 10 knots in
the afternoon. Seas around 2 feet or less. Wave Detail: Southeast
1 foot at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet
or less. Wave Detail: East 1 foot at 3 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Wave Detail: Southeast 2 feet at 5 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet or less.
.SUNDAY...Southeast winds 10 to 15 knots. Seas around 2 feet or
less, then around 3 feet in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet.
.MONDAY...East winds around 10 knots. Seas around 2 feet or less.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet or less, then around 3 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$