GMZ400-131900-
1213 AM CST Sat Dec 13 2025
.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...
Marine fog will be possible this morning, especially over the
coastal lakes and bays were water temp is colder. Fog will be slow
to lift today and redevelop this evening. Overnight Saturday into
Sunday a very robust cold front will push offshore. Gale Watch
may necessary for this period, but at the very least Small Craft
Advisory criteria will be well exceeded including lakes and bays.
Winds will slowly ease into Monday before veering east.
$$
GMZ450-131900-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1213 AM CST Sat Dec 13 2025
TODAY
Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds. Areas of dense fog early
this morning.
TONIGHT
Southeast winds around 5 knots, becoming northeast
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 1 foot at 4 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight.
SUNDAY
Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 4 feet at 4 seconds and south 1 foot at 5 seconds. A
chance of showers with a slight chance of thunderstorms in the
morning.
SUNDAY NIGHT
Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 5 feet at 5 seconds.
MONDAY
Northeast winds 15 to 20 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 4 seconds.
MONDAY NIGHT
East winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: East 2 feet at
4 seconds, becoming southeast 1 foot at 4 seconds.
TUESDAY
East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon.
TUESDAY NIGHT
Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers after midnight.
WEDNESDAY
Southeast winds around 10 knots. Seas around 2 feet.
A slight chance of showers.
WEDNESDAY NIGHT
South winds 10 to 15 knots. Seas around
2 feet. A slight chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
$$
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