Hazardous marine condition(s):
Small Craft Advisory
GMZ400-100900-
309 PM CDT Fri Oct 9 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...
Winds, seas, and tides will gradually decrease tonight into Saturday
as Hurricane Isaias moves into the central Gulf coast. Behind the
tropical system, high pressure will build across the northern Gulf
and bring a light to modest southeast flow. A relatively dry air
mass is expected keeping any significant shower activity out of the
forecast.
$$
GMZ475-100900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 309 PM CDT Fri Oct 9 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING TONIGHT Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots late. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 9 feet at 8 seconds, becoming northeast 7 feet at 6 seconds. SATURDAY North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 5 seconds. SATURDAY NIGHT Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds and southeast 2 feet at 7 seconds. SUNDAY Southeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and southeast 1 foot at 3 seconds. SUNDAY NIGHT Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. MONDAY Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers. MONDAY NIGHT Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. TUESDAY Southeast winds 5 to 10 knots. Seas around 2 feet. TUESDAY NIGHT Southeast winds 5 to 10 knots. Seas around 2 feet. WEDNESDAY Southeast winds 5 to 10 knots. Seas around 2 feet. WEDNESDAY NIGHT Southeast winds around 10 knots. Seas around 2 feet. $$
GMZ475-100900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 309 PM CDT Fri Oct 9 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING TONIGHT Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots late. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 9 feet at 8 seconds, becoming northeast 7 feet at 6 seconds. SATURDAY North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 5 seconds. SATURDAY NIGHT Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds and southeast 2 feet at 7 seconds. SUNDAY Southeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and southeast 1 foot at 3 seconds. SUNDAY NIGHT Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. MONDAY Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers. MONDAY NIGHT Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. TUESDAY Southeast winds 5 to 10 knots. Seas around 2 feet. TUESDAY NIGHT Southeast winds 5 to 10 knots. Seas around 2 feet. WEDNESDAY Southeast winds 5 to 10 knots. Seas around 2 feet. WEDNESDAY NIGHT Southeast winds around 10 knots. Seas around 2 feet. $$