Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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060
FZUS54 KHGX 151421 AAA
CWFHGX

Coastal Waters Forecast for Texas...UPDATED
National Weather Service Houston/Galveston TX
921 AM CDT Wed May 15 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.

GMZ300-160315-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
921 AM CDT Wed May 15 2024

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

Winds will be mainly light from the east and southeast today. Onshore
flow will gradually strengthen tonight and persist through the
end of the week and into the weekend. Caution flags might be
needed at times. Periods of unsettled weather are possible on
Thursday and Friday, although highest shower and thunderstorm
chances are anticipated inland. Brief offshore winds are possible
if any storm complexes make it off the coast. Drier weather can be
expected over the weekend and into early next week.

$$

GMZ335-160315-
Galveston Bay-
921 AM CDT Wed May 15 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Bay waters
smooth.
.TONIGHT...Southeast winds around 10 knots. Bay waters smooth to
slightly choppy.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers in the morning. A chance of thunderstorms in the
late morning and afternoon. Showers likely in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south around
15 knots after midnight. Bay waters choppy, easing to slightLy choppy
after midnight. Thunderstorms likely in the evening. Showers likely
until early morning. A chance of thunderstorms after midnight.
.FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...West winds 5 to 10 knots, backing to southwest in the afternoon.
Bay waters smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-160315-
Matagorda Bay-
921 AM CDT Wed May 15 2024

.REST OF TODAY...Southeast winds around 10 knots, rising to 10 to
15 knots this afternoon. Bay waters smooth, rising to slightly
choppy this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY...Southeast winds around 15 knots, rising to 15 to 20 knots
late. Bay waters slightly choppy, rising to choppy late. A chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, easing to around
15 knots in the late evening and overnight. Bay waters choppy, easing
to slightly choppy in the late evening and overnight. A chance of
showers and thunderstorms until early morning.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT and SUNDAY...Southeast winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-160315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
921 AM CDT Wed May 15 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas around
3 feet. Wave Detail: East 2 feet at 4 seconds and southeast
2 feet at 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 5 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail:
Southeast 5 feet at 5 seconds. A chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south around
15 knots late. Seas 3 to 5 feet. Wave Detail: Southeast 5 feet at 6
seconds. A chance of showers and thunderstorms until early morning.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail:
South 4 feet at 4 seconds.
.FRIDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.SATURDAY...Southwest winds 5 to 10 knots, backing to southeast in
the afternoon. Seas 1 foot or less, then around 3 feet in the afternoon.
.SATURDAY NIGHT and SUNDAY...Southeast winds around 10 knots.
Seas around 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-160315-
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-
921 AM CDT Wed May 15 2024

.REST OF TODAY...East winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at
4 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.THURSDAY...Southeast winds around 15 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 5 feet at 5 seconds. A chance of showers.
A chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south around
15 knots late. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 6
seconds. A chance of showers and thunderstorms early in the evening.
.FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail:
Southeast 5 feet at 5 seconds.
.FRIDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and southeast 1 foot at 4 seconds.
.SATURDAY...South winds 5 to 10 knots, backing to east in the afternoon.
Seas 3 to 4 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.SUNDAY...East winds around 10 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$