Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
380 FZUS54 KLIX 010526 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 1226 AM CDT Mon Sep 1 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-GMZ501-011800- 1226 AM CDT Mon Sep 1 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... Daily thunderstorms remain the main issue over the marine areas, primarily over the open coastal waters, as a nearly stationary 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, with offshore flow setting in behind it and holding through midweek. Winds over the eastern waters could increase to around 15 knots at times during the day the next couple of days. $$ GMZ530-011800- Lake Pontchartrain and Lake Maurepas- 1226 AM CDT Mon Sep 1 2025 .REST OF TONIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet. .MONDAY...East winds around 10 knots. Waves around 2 feet. .MONDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet. .TUESDAY...East winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 to 2 feet in the evening, then 1 foot or less. .WEDNESDAY...East winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Waves 1 foot or less. .THURSDAY...West winds around 5 knots. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or less. .FRIDAY...West winds around 5 knots, becoming southeast in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ534-011800- Lake Borgne- 1226 AM CDT Mon Sep 1 2025 .REST OF TONIGHT...East winds 10 to 15 knots. Waves around 2 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 10 to 15 knots. Waves around 2 feet. .TUESDAY...East winds around 10 knots. Waves around 2 feet. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of showers in the evening. .WEDNESDAY...East winds 5 to 10 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 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 5 to 10 knots. Waves 1 foot or less. .FRIDAY...West winds around 5 knots, becoming east in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ532-011800- Mississippi Sound- 1226 AM CDT Mon Sep 1 2025 .REST OF TONIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. .MONDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. .TUESDAY...East winds around 10 knots. Waves 2 to 3 feet. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of thunderstorms in the evening. A slight chance of showers. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Waves 1 foot or less, then around 2 feet in the afternoon. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Waves 1 foot or less, then 1 to 2 feet in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. .FRIDAY...West winds 5 to 10 knots, becoming south in the afternoon. Waves 1 foot or less, then around 2 feet in the afternoon. .FRIDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Waves around 2 feet. Winds and waves higher in and near thunderstorms. $$ GMZ536-538-011800- Chandeleur Sound-Breton Sound- 1226 AM CDT Mon Sep 1 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. .MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Waves 3 to 4 feet. A slight chance of showers and thunderstorms. .MONDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and thunderstorms. .TUESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers and thunderstorms. .TUESDAY NIGHT...East 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 5 to 10 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Waves 1 foot or less. A slight chance of showers and thunderstorms. .THURSDAY...North winds 5 to 10 knots, becoming east in the afternoon. Waves 1 foot or less. A slight chance of showers and thunderstorms in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. .FRIDAY...Northwest winds 5 to 10 knots, becoming southeast in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Waves 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ555-557-011800- 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 AM CDT Mon Sep 1 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms late. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 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. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers and thunderstorms. .WEDNESDAY...East 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...Southeast winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: East 2 feet at 4 seconds, becoming east 1 foot at 4 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .FRIDAY...Northwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-011800- 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 AM CDT Mon Sep 1 2025 .REST OF TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers. A slight chance of thunderstorms late. .MONDAY...East winds 10 to 15 knots. Seas around 2 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 2 feet at 4 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...East winds 5 to 10 knots. 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: Northeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .FRIDAY...Northwest winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ577-011800- Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM- 1226 AM CDT Mon Sep 1 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .REST OF 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. A slight chance of thunderstorms late. .MONDAY...East winds 10 to 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 and thunderstorms. .MONDAY NIGHT...East winds around 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers and thunderstorms. .WEDNESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. 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...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...Northwest winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ575-011800- Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm- 1226 AM CDT Mon Sep 1 2025 .REST OF TONIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 5 seconds and south 1 foot at 8 seconds. A slight chance of thunderstorms. A slight chance of showers, then a chance of showers late. .MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds and south 1 foot at 8 seconds. A chance of thunderstorms. A chance of showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 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 3 feet at 6 seconds. Showers. 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 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .WEDNESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: East 2 feet at 4 seconds, becoming east 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms. .THURSDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 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: Northeast 1 foot at 3 seconds. A slight chance of showers after midnight. .FRIDAY...North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and northwest 1 foot at 3 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-011800- 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 AM CDT Mon Sep 1 2025 .REST OF TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers and thunderstorms. .MONDAY...East winds 10 to 15 knots. Seas around 2 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 3 feet at 6 seconds. Showers with thunderstorms likely. .TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .WEDNESDAY...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet 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 around 2 feet in the morning, then 1 foot or less. Wave Detail: Northeast 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...East winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers after midnight. .FRIDAY...North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and east 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$