Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
513 FZUS54 KLIX 080527 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 1127 PM CST Sun Dec 7 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-GMZ501-081800- 1127 PM CST Sun Dec 7 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... Cold air in the wake of a strong cold front will produce hazardous conditions over the waters through the daytime and evening hours Monday before gradually subsiding. High pressure moving into the coastal waters Tuesday and Wednesday will produce more favorable marine conditions. The next frontal system to affect the coastal waters will likely move through around Friday. $$ GMZ530-081800- Lake Pontchartrain and Lake Maurepas- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots, then increasing to 15 to 20 knots with gusts up to 25 knots late. Waves 1 to 2 feet, building to 2 to 4 feet. Showers late this evening, then a chance of showers. .MONDAY...North winds 15 to 20 knots with gusts up to 25 knots. Waves 3 to 4 feet. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Waves 2 to 3 feet. .TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. .WEDNESDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Waves 1 foot or less. .THURSDAY...East winds around 5 knots, becoming southeast in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. .FRIDAY...South winds 5 to 10 knots, becoming northwest in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. $$ GMZ534-081800- Lake Borgne- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots, then increasing to 15 to 20 knots with gusts up to 25 knots late. Waves 1 foot or less, then 2 to 4 feet. Showers late this evening. .MONDAY...North winds 15 to 20 knots with gusts up to 30 knots. Waves 3 to 4 feet. .MONDAY NIGHT...North winds 10 to 15 knots with gusts up to 25 knots. Waves 2 to 3 feet. .TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest after midnight. Waves 1 foot or less. .THURSDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. .FRIDAY...South winds 5 to 10 knots, becoming west in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. $$ GMZ532-081800- Mississippi Sound- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots with gusts up to 25 knots late. Waves 2 to 4 feet. A chance of showers late this evening, then showers. A slight chance of showers late. Visibility 1 NM or less late this evening. .MONDAY...North winds 15 to 20 knots with gusts up to 25 knots. Waves 3 to 4 feet. .MONDAY NIGHT...North winds 10 to 15 knots with gusts up to 25 knots. Waves 2 to 4 feet. .TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming southwest around 5 knots after midnight. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Waves around 2 feet. .WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming northwest after midnight. Waves around 2 feet. .THURSDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms in the morning. .FRIDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. Winds and waves higher in and near thunderstorms. $$ GMZ536-538-081800- Chandeleur Sound-Breton Sound- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots, then increasing to 15 to 20 knots with gusts up to 25 knots late. Waves 2 to 4 feet. A chance of showers late this evening, then showers. A slight chance of showers and thunderstorms late. Visibility 1 NM or less late this evening. .MONDAY...North winds 15 to 20 knots with gusts up to 30 knots. Waves 3 to 5 feet. .MONDAY NIGHT...North winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Waves 3 to 4 feet. .TUESDAY...Northeast winds 5 to 10 knots. Waves around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming southwest around 5 knots after midnight. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. .WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming northwest after midnight. Waves 1 foot or less. .THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A slight chance of showers after midnight. .FRIDAY...South winds 5 to 10 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the morning. .FRIDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ555-557-081800- 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- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots, then becoming north 15 to 20 knots with gusts up to 25 knots late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds. A chance of showers late this evening, then a chance of showers with a slight chance of thunderstorms with visibility 1 NM or less. .MONDAY...North winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 5 seconds. .MONDAY NIGHT...North winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. .TUESDAY NIGHT...East winds around 5 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. .WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds and east 1 foot at 5 seconds. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 5 seconds. .THURSDAY...North winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds. A slight chance of showers after midnight. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-081800- 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- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...East winds around 5 knots, becoming northeast 10 to 15 knots, then becoming north 15 to 20 knots with gusts up to 30 knots late. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and southeast 1 foot at 5 seconds. A slight chance of thunderstorms late this evening. A chance of showers. .MONDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Gusts up to 35 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 3 seconds and southwest 1 foot at 5 seconds. .MONDAY NIGHT...North winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. .TUESDAY NIGHT...East winds around 5 knots, becoming south after midnight. Seas 1 foot or less. .WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds and east 1 foot at 5 seconds. .WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 5 seconds. .THURSDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers after midnight. .FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ575-577-081800- Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm- Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...Northeast winds 5 to 10 knots, becoming north 15 to 20 knots with gusts up to 25 knots late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds and south 1 foot at 4 seconds. A slight chance of showers late this evening, then a chance of showers with a slight chance of thunderstorms. .MONDAY...North winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 5 seconds and southwest 1 foot at 5 seconds. A slight chance of showers in the morning. .MONDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet, subsiding to 3 to 5 feet, occasionally to 6 feet after midnight. Wave Detail: Northeast 5 feet at 6 seconds. .TUESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .WEDNESDAY...West 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 and southwest 1 foot at 2 seconds, becoming west 1 foot at 3 seconds and east 1 foot at 5 seconds. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 5 seconds, becoming west 1 foot at 3 seconds and southeast 1 foot at 5 seconds. .THURSDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds. A slight chance of showers after midnight. .FRIDAY...West winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and west 1 foot at 4 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-081800- 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- 1127 PM CST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots, then becoming north 20 to 25 knots with gusts up to 35 knots late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds and south 1 foot at 5 seconds. A slight chance of thunderstorms. Showers likely late this evening, then a chance of showers. .MONDAY...North winds 20 to 25 knots with gusts up to 35 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: North 6 feet at 6 seconds. A slight chance of showers in the morning. .MONDAY NIGHT...Northeast winds around 20 knots, diminishing to around 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet after midnight. Wave Detail: North 5 feet at 6 seconds, becoming north 4 feet at 6 seconds. .TUESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds and southwest 1 foot at 2 seconds. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 6 seconds. .THURSDAY...Northwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: West 1 foot at 4 seconds and east 1 foot at 5 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...Southeast winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds and southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$