GMZ400-300900-
309 PM CDT Thu Oct 29 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 light to moderate easterly flow continues into early next week,
with occasional gusts to 15-20 kts possible Friday into the weekend
as the pressure gradient briefly tightens. Small craft should
continue to exercise caution through this period, especially across
the outer coastal waters. Friday afternoon/evening, rain chances
return and remain elevated through Saturday as a surge of moisture
overspreads the region.
$$
GMZ470-300900-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
309 PM CDT Thu Oct 29 2026
SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH FRIDAY
AFTERNOON
TONIGHT
East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: East 3 feet at 6 seconds.
FRIDAY
East winds around 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds.
FRIDAY NIGHT
East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at
6 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
SATURDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Showers likely with a chance of
thunderstorms.
SATURDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 6 seconds. Showers likely with a
slight chance of thunderstorms in the evening.
SUNDAY
Northeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds.
SUNDAY NIGHT
East winds around 10 knots. Seas 2 to 3 feet.
MONDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
MONDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
TUESDAY
South winds around 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
TUESDAY NIGHT
South winds around 15 knots, becoming west after
midnight. Seas 3 to 4 feet. A chance of thunderstorms. Showers
likely, mainly in the evening.
Winds and seas higher in and near thunderstorms.
$$
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