Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
771 FZUS54 KLIX 050446 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 1046 PM CST Thu Dec 4 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-GMZ501-051700- 1046 PM CST Thu Dec 4 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... Winds will relax and return to offshore during the day Friday and then more variable on Saturday with the passage of another weak sfc low. A frontal passage on Sunday night will bring another push of strong offshore winds on Monday which could prompt small craft headlines for much of the coastal waters. $$ GMZ530-051700- Lake Pontchartrain and Lake Maurepas- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers. A slight chance of thunderstorms late. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Waves 2 to 3 feet in the morning, then 1 foot or less. A slight chance of thunderstorms in the morning. A chance of showers. .FRIDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or less. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northeast winds around 5 knots. Waves 1 foot or less. Showers likely, mainly in the morning. .SATURDAY NIGHT...East winds around 5 knots. Waves 1 foot or less. A slight chance of showers. .SUNDAY...Northeast winds around 5 knots. Waves 1 foot or less. A chance of showers. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to 4 feet. A slight chance of showers in the evening. .MONDAY...North winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet. .TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ534-051700- Lake Borgne- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers. A slight chance of thunderstorms late this evening. A chance of thunderstorms late. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Waves around 2 feet in the morning, then 1 foot or less. A slight chance of thunderstorms in the morning. Showers likely. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or less. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A chance of showers. .SUNDAY...Northeast winds around 5 knots. Waves 1 foot or less. A chance of showers, mainly in the morning. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots after midnight. Waves around 2 feet, building to 3 to 4 feet after midnight. A chance of showers in the evening. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Waves 3 to 4 feet, subsiding to 2 feet in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Waves around 2 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...South winds around 5 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ532-051700- Mississippi Sound- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers. A slight chance of thunderstorms late this evening. A chance of thunderstorms late. .FRIDAY...North winds 10 to 15 knots. Waves around 2 feet. A slight chance of thunderstorms in the morning. Showers likely. .FRIDAY NIGHT...North winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northeast winds 5 to 10 knots. Waves around 2 feet. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A chance of showers. .SUNDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A chance of showers. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to 4 feet. A chance of showers, mainly in the evening. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. .TUESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Waves around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ536-538-051700- Chandeleur Sound-Breton Sound- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of thunderstorms late this evening. A chance of showers late this evening and early morning, then showers likely with a chance of thunderstorms late. .FRIDAY...North winds 10 to 15 knots. Waves 2 to 3 feet. A chance of thunderstorms in the morning. Showers likely. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or less. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northeast winds 5 to 10 knots. Waves around 2 feet. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A chance of showers. A slight chance of thunderstorms after midnight. .SUNDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A chance of showers, mainly in the morning. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to 3 feet, building to 3 to 5 feet after midnight. A chance of showers, mainly in the evening. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Waves 3 to 5 feet. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. .TUESDAY...Northeast winds 5 to 10 knots. Waves around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ555-557-051700- 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- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, becoming west, then becoming northwest late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms late this evening. A chance of thunderstorms late. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and north 2 feet at 3 seconds. Showers likely with a chance of thunderstorms in the morning, then showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 2 feet at 5 seconds. Showers likely. .SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 5 seconds. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. A chance of showers, mainly in the evening. .MONDAY...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 5 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 2 feet at 3 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TUESDAY NIGHT...East winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-051700- 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- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...East winds 10 to 15 knots, becoming north with gusts up to 20 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and north 1 foot at 2 seconds. Showers likely with a slight chance of thunderstorms late this evening, then a chance of showers and thunderstorms. .FRIDAY...North winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: North 2 feet at 2 seconds and southeast 2 feet at 5 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 5 seconds. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northeast winds around 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 1 foot at 5 seconds. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers. A chance of thunderstorms after midnight. .SUNDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 2 seconds and southeast 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 20 to 25 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 2 seconds and southeast 1 foot at 5 seconds. A slight chance of showers in the evening. .MONDAY...North winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 2 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. .TUESDAY NIGHT...East winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ575-577-051700- 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- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...South winds 10 to 15 knots with gusts up to 20 knots, becoming west late. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 3 feet at 4 seconds. A slight chance of thunderstorms. .FRIDAY...North winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds and northwest 2 feet at 4 seconds. Showers likely with a slight chance of thunderstorms. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds and south 2 feet at 5 seconds. A chance of showers. .SATURDAY...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 5 seconds. Showers. .SATURDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Showers. A chance of thunderstorms after midnight. .SUNDAY...North winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 2 feet at 5 seconds and north 1 foot at 3 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 4 feet at 5 seconds and southeast 2 feet at 5 seconds. A chance of showers. .MONDAY...North winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 6 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 5 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet in the evening, then 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-051700- 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- 1046 PM CST Thu Dec 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST FRIDAY... .OVERNIGHT...South winds 10 to 15 knots, becoming northwest with gusts up to 20 knots late. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and northwest 2 feet at 3 seconds. Showers likely with a slight chance of thunderstorms late this evening, then a chance of showers and thunderstorms. .FRIDAY...North winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and north 2 feet at 4 seconds. Showers likely with a chance of thunderstorms in the morning, then showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds and southeast 2 feet at 5 seconds. A chance of showers. .SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and south 1 foot at 5 seconds. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and south 1 foot at 5 seconds. Showers likely. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SUNDAY...North winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds and west 1 foot at 2 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning. .SUNDAY NIGHT...North winds 10 to 15 knots with gusts up to 20 knots, increasing to 20 to 25 knots with gusts up to 30 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 4 seconds and southeast 1 foot at 5 seconds. A chance of showers, mainly in the evening. .MONDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 6 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet after midnight. Wave Detail: North 4 feet at 5 seconds, becoming northeast 3 feet at 5 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 5 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet in the evening, then 1 foot or less. Winds and seas higher in and near thunderstorms. $$