Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
784 FZUS54 KLIX 311726 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 1226 PM CDT Sun Aug 31 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-GMZ501-010600- 1226 PM CDT Sun Aug 31 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... Daily thunderstorms remain the main issue over the marine areas as a stalled front lingers near the coastal waters. Expect brief bursts of stronger winds and higher waves in and near storms. The boundary pushes farther into the Gulf today and Monday, with offshore flow setting in behind it and holding through midweek. $$ GMZ530-010600- Lake Pontchartrain and Lake Maurepas- 1226 PM CDT Sun Aug 31 2025 .THIS AFTERNOON...East winds 5 to 10 knots. Waves around 2 feet. .TONIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet. .MONDAY...East winds 5 to 10 knots. Waves around 2 feet. .MONDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet in the evening, then 1 foot or less. .TUESDAY...East winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or less. .WEDNESDAY...Northwest winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Waves 1 foot or less. .THURSDAY...Northwest winds around 5 knots. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ534-010600- Lake Borgne- 1226 PM CDT Sun Aug 31 2025 .THIS AFTERNOON...East winds 10 to 15 knots. Waves around 2 feet. A slight chance of showers and thunderstorms. .TONIGHT...East winds around 10 knots. Waves 1 foot or less, then around 2 feet after midnight. .MONDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Waves around 2 feet. .TUESDAY...East winds around 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...Northeast winds around 5 knots, becoming east in the afternoon. Waves 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots, becoming west after midnight. Waves 1 foot or less. A slight chance of showers and thunderstorms. .THURSDAY...Northwest winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ532-010600- Mississippi Sound- 1226 PM CDT Sun Aug 31 2025 .THIS AFTERNOON...East winds 10 to 15 knots. Waves around 2 feet. .TONIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. .MONDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...East winds around 10 knots. Waves around 2 feet. .TUESDAY...East winds around 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Waves 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Waves 1 foot or less. A slight chance of showers and thunderstorms. .THURSDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. Winds and waves higher in and near thunderstorms. $$ GMZ536-538-010600- Chandeleur Sound-Breton Sound- 1226 PM CDT Sun Aug 31 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...East winds 10 to 15 knots with gusts up to 20 knots. Waves 2 to 3 feet. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms late. .TONIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. .MONDAY...East winds 10 to 15 knots. Waves 3 to 4 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. .TUESDAY...East winds around 10 knots. Waves around 2 feet. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY...East winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Waves 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots, becoming east in the afternoon. Waves 1 foot or less. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ555-557-010600- 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- 1226 PM CDT Sun Aug 31 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers after midnight. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A 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. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...East winds around 5 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 2 feet at 5 seconds, becoming east 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-010600- 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- 1226 PM CDT Sun Aug 31 2025 .THIS AFTERNOON...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of showers and thunderstorms. .TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening. .MONDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds around 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave Detail: East 2 feet at 3 seconds, becoming east 1 foot at 3 seconds. A chance of showers and thunderstorms. .WEDNESDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Winds and seas higher in and near thunderstorms. $$ GMZ577-010600- Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM- 1226 PM CDT Sun Aug 31 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds and southeast 1 foot at 5 seconds. A chance of showers and thunderstorms. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...East winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 2 feet at 5 seconds, becoming east 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and northeast 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and west 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ575-010600- Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm- 1226 PM CDT Sun Aug 31 2025 .THIS AFTERNOON...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots late. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 5 seconds. A chance of thunderstorms. Showers likely early, then a chance of showers late. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds and south 1 foot at 4 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...East winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds and northwest 1 foot at 3 seconds. A chance of showers and thunderstorms. .THURSDAY NIGHT...East winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds and northeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-010600- 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- 1226 PM CDT Sun Aug 31 2025 .THIS AFTERNOON...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. Showers likely with a chance of thunderstorms. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Showers likely with a chance of thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: East 2 feet at 5 seconds, becoming east 1 foot at 5 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...East winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and northwest 1 foot at 3 seconds. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$