GMZ400-130900-
309 PM CDT Fri Jun 12 2026
.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...
A surface high off the southeast US coast will be generally ridging
across the northern Gulf into the coastal waters through the weekend
into early next week providing light to modest southeast winds. Low
to modest seas will accompany the southerly wind field. An upper
level ridge will keep shower activity limited at best into the first
half of the weekend. Rain chances will increase late in the weekend
into early next week as a trough moves into the coastal waters.
$$
GMZ475-130900-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
309 PM CDT Fri Jun 12 2026
TONIGHT
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
SATURDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 8 seconds.
SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: South 4 feet at 7 seconds.
SUNDAY
South winds around 10 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 7 seconds. A slight chance of showers and
thunderstorms in the afternoon.
SUNDAY NIGHT
South winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 8 seconds.
MONDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A slight chance of showers and
thunderstorms in the afternoon.
MONDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 4 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
TUESDAY
Southwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet. A chance of showers
and thunderstorms.
TUESDAY NIGHT
South winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, building to 4 to
6 feet, occasionally to 8 feet after midnight. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
WEDNESDAY
South winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers and thunderstorms.
WEDNESDAY NIGHT
South winds 20 to 25 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.
Winds and seas higher in and near thunderstorms.
$$
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