GMZ500-GMZ501-221100-
537 PM CDT Mon Sep 21 2026
.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
Light winds and relatively low seas continue through Thursday
outside of scattered thunderstorms, which could produce brief strong
and erratic wind gusts. A cold front moves through the coastal
waters Wednesday into Wednesday night, followed by strengthening
northerly to northeasterly winds and building seas Thursday.
Conditions gradually improve late in the week as high pressure
settles across the area.
$$
GMZ570-221100- Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM- 537 PM CDT Mon Sep 21 2026 TONIGHT Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. TUESDAY Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. WEDNESDAY Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning. WEDNESDAY NIGHT East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. THURSDAY Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. THURSDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. FRIDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers and thunderstorms. FRIDAY NIGHT East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. SATURDAY East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers. SATURDAY NIGHT East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$
GMZ570-221100- Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM- 537 PM CDT Mon Sep 21 2026 TONIGHT Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. TUESDAY Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. WEDNESDAY Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning. WEDNESDAY NIGHT East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. THURSDAY Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. THURSDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. FRIDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers and thunderstorms. FRIDAY NIGHT East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. SATURDAY East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers. SATURDAY NIGHT East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$