


Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
833 FZUS54 KLIX 081732 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 1231 PM CDT Wed Oct 8 2025 Pascagoula to Atchafalaya River out to 60 NM Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ500-GMZ501-090600- 1231 PM CDT Wed Oct 8 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... High pressure off the Atlantic Coast and low pressure over the southern Gulf will tighten the pressure gradient again over the coastal waters. Small Craft Exercise Caution headlines will be in effect during the day and tomorrow for northeasterly winds 15 to 20 knots. A frontal boundary moving into the waters tonight and Thursday may necessitate a Small Craft Advisory for at least part of the waters Thursday and especially Friday. Some improvement in wind and wave conditions could occur on Saturday over the protected waters, but perhaps not until Sunday over the outer waters. $$ GMZ530-090600- Lake Pontchartrain and Lake Maurepas- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 5 to 10 knots. Waves 1 foot or less. .TONIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Waves 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Waves 2 to 3 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. .FRIDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. .SATURDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Waves 2 to 3 feet, subsiding to 1 to 2 feet in the afternoon. .SATURDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or less. .SUNDAY...East winds around 5 knots. Waves 1 foot or less. .SUNDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or less. $$ GMZ534-090600- Lake Borgne- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...East winds 5 to 10 knots. Waves around 2 feet. .TONIGHT...Northeast winds 5 to 10 knots, increasing to 15 to 20 knots after midnight. Waves around 2 feet, building to 3 to 4 feet after midnight. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Waves 2 to 4 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Waves 2 to 4 feet. .FRIDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Waves 2 to 4 feet. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Waves 2 to 4 feet. .SATURDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. .SATURDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or less, then around 2 feet after midnight. .SUNDAY...Northeast winds 5 to 10 knots. Waves around 2 feet in the morning, then 1 foot or less. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less. $$ GMZ532-090600- Mississippi Sound- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...East winds 5 to 10 knots. Waves around 2 feet. .TONIGHT...Northeast winds 5 to 10 knots, increasing to 15 to 20 knots after midnight. Waves around 2 feet, building to 3 to 4 feet after midnight. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Waves 2 to 4 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Waves 2 to 4 feet. .FRIDAY...Northeast winds 15 to 20 knots. Waves 3 to 4 feet. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Waves 3 to 4 feet. .SATURDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. .SATURDAY NIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet. .SUNDAY...Northeast winds around 10 knots, becoming east in the afternoon. Waves around 2 feet in the morning, then 1 foot or less. .SUNDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Waves 1 foot or less, then around 2 feet after midnight. $$ GMZ536-538-090600- Chandeleur Sound-Breton Sound- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 5 to 10 knots. Waves around 2 feet. .TONIGHT...Northeast winds 5 to 10 knots, increasing to 15 to 20 knots after midnight. Waves around 2 feet, building to 3 to 4 feet after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Waves 4 to 5 feet, subsiding to 2 to 4 feet in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Waves 2 to 4 feet, building to 4 to 5 feet after midnight. .FRIDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 3 to 5 feet. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Waves 3 to 5 feet. .SATURDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Waves 2 to 4 feet. .SATURDAY NIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet. .SUNDAY...Northeast winds 5 to 10 knots. Waves around 2 feet. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less. $$ GMZ555-557-090600- Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm- Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: East 3 feet at 5 seconds, becoming east 6 feet at 6 seconds. A chance of showers and thunderstorms in the evening. .FRIDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .FRIDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .SATURDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-090600- Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm- Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .TONIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds and northeast 2 feet at 3 seconds. A slight chance of showers after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds and northeast 2 feet at 2 seconds. A slight chance of showers and thunderstorms in the evening. .FRIDAY...Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .FRIDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. .SATURDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. .SATURDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 6 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 5 seconds. Winds and seas higher in and near thunderstorms. $$ GMZ577-090600- Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers early. .TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. A chance of showers and thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet, building to 6 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: East 4 feet at 5 seconds, becoming east 7 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the evening. .FRIDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 7 seconds. .FRIDAY NIGHT...Northeast winds around 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 7 seconds. .SATURDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave Detail: Northeast 6 feet at 7 seconds, becoming northeast 5 feet at 7 seconds. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 5 seconds. .SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Winds and seas higher in and near thunderstorms. $$ GMZ575-090600- Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. A chance of showers early, then a slight chance of showers late. .TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 5 feet at 6 seconds, becoming northeast 7 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the evening. .FRIDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 8 feet at 7 seconds. A slight chance of showers and thunderstorms in the morning. .FRIDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 9 feet at 7 seconds, becoming northeast 7 feet at 7 seconds. A slight chance of showers in the evening. .SATURDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 7 seconds. .SATURDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. .SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds. .SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-090600- Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM- Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM- 1231 PM CDT Wed Oct 8 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THURSDAY MORNING... .THIS AFTERNOON...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers early. .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the evening. .FRIDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 7 feet at 7 seconds. A slight chance of showers and thunderstorms in the morning. .FRIDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 7 feet at 8 seconds. .SATURDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .SUNDAY...Northeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. Winds and seas higher in and near thunderstorms. $$