Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
079
FZUS54 KHGX 090803
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
303 AM CDT Thu May 9 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.

GMZ300-092115-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
303 AM CDT Thu May 9 2024

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

Fetch of moderate onshore winds will maintain somewhat elevated
seas in the offshore Gulf waters. Mariners should note above
normal flows from area rivers will lead to above normal water
levels and strong currents in the bays and intercoastal waterway
this week. The next cold front pushes off the coast late Thursday
night and early Friday morning. Moderate offshore winds in its
wake will be brief. The front will move back onshore as a warm
front on Sunday and onshore flow will resume and increase. Periods
of unsettled weather are possible Sunday and Monday.

$$

GMZ335-092115-
Galveston Bay-
303 AM CDT Thu May 9 2024

.TODAY...Southeast winds 5 to 10 knots, becoming around 10 knots
late. Bay waters smooth, rising to smooth to slightly choppy
late. Patchy fog.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south around
10 knots late in the evening, backing to east after midnight. Bay
waters slightly choppy, easing to smooth in the late evening and
overnight. Patchy fog.
.FRIDAY...Northeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog early in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...East winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming east
around 10 knots after midnight. Bay waters slightly choppy,
easing to smooth after midnight.
.SUNDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers. A chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-092115-
Matagorda Bay-
303 AM CDT Thu May 9 2024

.TODAY...Southeast winds 5 to 10 knots. Bay waters smooth. Patchy
fog this morning. Patchy fog late.
.TONIGHT...East winds 5 to 10 knots, backing to northeast late.
Bay waters smooth. Patchy fog.
.FRIDAY...Northeast winds 10 to 15 knots, veering to east late.
Bay waters slightly choppy. Patchy fog early in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...East winds 15 to 20 knots. Bay waters choppy.
.SATURDAY NIGHT...East winds 15 to 20 knots, easing to around
15 knots after midnight. Bay waters choppy, easing to slightly
choppy after midnight.
.SUNDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms in the
evening.
.MONDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of thunderstorms. A chance of showers
in the morning, then showers likely in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-092115-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
303 AM CDT Thu May 9 2024

.TODAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 5 feet at 7 seconds. Patchy fog.
.TONIGHT...Southeast winds 5 to 10 knots, backing to east late.
Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds.
Patchy fog.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at
7 seconds. Patchy fog early in the morning.
.FRIDAY NIGHT...Northeast winds around 15 knots, rising to 15 to
20 knots late. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at
7 seconds.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at
7 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.SUNDAY...Southeast winds around 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
4 feet. A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-092115-
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-
303 AM CDT Thu May 9 2024

.TODAY...Southeast winds around 10 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 6 feet at
7 seconds. Hazy.
.TONIGHT...Southeast winds 5 to 10 knots, backing to east late.
Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
Hazy.
.FRIDAY...Northeast winds 10 to 15 knots. Seas around 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds and northeast 3 feet
at 4 seconds. Hazy early in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds and northeast 3 feet
at 4 seconds.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 6 seconds.
.SUNDAY...East winds around 15 knots. Seas 3 to 4 feet. A chance
of showers. A chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 4 to 5 feet. A chance
of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
A chance of showers and thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.

$$