GMZ400-150900-
310 PM CDT Wed Oct 14 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...
Conditions will remain calm through Thursday night with light to
moderate onshore winds. On Friday, a cold front will move
offshore, causing widespread rain and a few thunderstorms. Behind
the front, winds will quickly increase with offshore winds
reaching 20 knots on Friday afternoon, then 30 knots by Friday
evening. On Saturday, sustained winds will approach Gale strength
with gusts up to 40 knots. With the high wind speeds, waves will
quickly respond with heights up to 10 feet expected 40 nm offshore
and up to 5 feet close to shore. Mariners should watch the
forecast closely over the next several days.
$$
GMZ435-150900-
Vermilion and West Cote Blanche Bays-
310 PM CDT Wed Oct 14 2026
TONIGHT
Southeast winds 5 to 10 knots. Bay waters light chop.
THURSDAY
East winds 5 to 10 knots. Bay waters light chop.
THURSDAY NIGHT
East winds 5 to 10 knots. Bay waters light
chop.
FRIDAY
Northeast winds 5 to 10 knots, becoming north 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
choppy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon.
FRIDAY NIGHT
North winds 25 to 30 knots. Bay waters extremely
rough.
SATURDAY
North winds 25 to 30 knots, becoming northeast 20 to
25 knots in the afternoon. Bay waters extremely rough.
SATURDAY NIGHT
Northeast winds 15 to 20 knots. Bay waters
rough.
SUNDAY
Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Bay waters rough.
SUNDAY NIGHT
East winds 15 to 20 knots. Bay waters rough.
MONDAY
Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Bay waters rough.
MONDAY NIGHT
East winds 10 to 15 knots. Bay waters choppy.
Winds and waves higher in and near thunderstorms.
$$
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