GMZ400-210700-
159 PM CDT Fri Mar 20 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...
Light mainly S to SW winds and low seas will continue through the
weekend into early next week as surface high pressure lingers to our
east. Ridging building in aloft will keep dry conditions in place,
with no precipitation expected through the forecast period.
$$
GMZ470-210700-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
159 PM CDT Fri Mar 20 2026
TONIGHT
South winds around 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
SATURDAY
Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds and southeast 1 foot
at 6 seconds.
SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 2 feet at 5 seconds and southeast 1 foot
at 6 seconds.
SUNDAY
South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
SUNDAY NIGHT
South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
MONDAY
Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
MONDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
TUESDAY
Southeast winds around 5 knots. Seas around 2 feet.
TUESDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
WEDNESDAY
South winds around 5 knots. Seas around 2 feet.
WEDNESDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
$$
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