Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
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781 FZUS54 KLIX 211037 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 436 AM CST Fri Nov 21 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-GMZ501-212300- 436 AM CST Fri Nov 21 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... Southwest waters have become fairly gusty this evening, with gusts up above 20kts. For this reason, a short lived Small Craft Advisory is in effect for Southwest waters through Friday morning. A low pressure system will pass well north of the region Friday and Friday night. This will try to push a cold front into the area but the front will likely stall along or north of the coast. Scattered showers and a low threat of thunderstorm will accompany this weakening front on Friday and Friday evening. Winds will calm over the weekend to less than 10 knots as a high pressure system over the eastern Gulf becomes more dominant over the waters. However, another system will once again push winds and seas higher on Monday and Tuesday. Southerly flow should increase back into the 15 to 20 knot range over this period. Another round of showers and a few thunderstorms will also develop over the waters as this next storm system moves through. $$ GMZ530-212300- Lake Pontchartrain and Lake Maurepas- 436 AM CST Fri Nov 21 2025 .TODAY...South winds around 10 knots, becoming southwest late. Waves around 2 feet. A slight chance of thunderstorms this morning. A chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. Patchy dense fog after midnight. .SATURDAY...West winds around 5 knots. Waves 1 foot or less. Patchy dense fog. .SATURDAY NIGHT...Northwest winds around 5 knots, becoming north after midnight. Waves 1 foot or less. .SUNDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less. .SUNDAY NIGHT...East winds around 5 knots, increasing to 5 to 10 knots after midnight. Waves 1 foot or less. .MONDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Waves 2 to 3 feet. .MONDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...South winds 5 to 10 knots. Waves around 2 feet. A chance of showers. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Waves 1 foot or less, then around 2 feet after midnight. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ534-212300- Lake Borgne- 436 AM CST Fri Nov 21 2025 .TODAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of thunderstorms this morning. A chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. .SATURDAY...West winds around 5 knots. Waves 1 foot or less. Patchy fog in the afternoon. .SATURDAY NIGHT...West winds around 5 knots, becoming north after midnight. Waves 1 foot or less. .SUNDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. .MONDAY...Southeast winds 10 to 15 knots. Waves around 2 feet. .MONDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers. .TUESDAY NIGHT...South winds around 10 knots, becoming west after midnight. Waves around 2 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ532-212300- Mississippi Sound- 436 AM CST Fri Nov 21 2025 .TODAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of thunderstorms. A slight chance of showers early this morning, then a chance of showers late this morning and afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. .SATURDAY...West winds 5 to 10 knots. Waves 1 foot or less, then around 2 feet in the afternoon. Patchy dense fog in the afternoon. .SATURDAY NIGHT...West winds 5 to 10 knots, becoming north after midnight. Waves 1 foot or less, then around 2 feet after midnight. .SUNDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Waves around 2 feet in the morning, then 1 foot or less. .SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. .MONDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Waves 2 to 3 feet. .MONDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers. .TUESDAY NIGHT...South winds around 10 knots, becoming west after midnight. Waves around 2 feet. A chance of showers with a slight chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ536-538-212300- Chandeleur Sound-Breton Sound- 436 AM CST Fri Nov 21 2025 .TODAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. .SATURDAY...West winds around 5 knots. Waves 1 foot or less. .SATURDAY NIGHT...West winds 5 to 10 knots, becoming north after midnight. 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...East winds 5 to 10 knots. Waves 1 foot or less. .MONDAY...Southeast winds 5 to 10 knots. Waves around 2 feet. .MONDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Waves around 2 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ555-557-212300- Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm- Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM- 436 AM CST Fri Nov 21 2025 .TODAY...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers late this morning. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. .SATURDAY...West winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Patchy dense fog in the afternoon. .SATURDAY NIGHT...West winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and west 1 foot at 2 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: North 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A slight chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers. .TUESDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-212300- 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- 436 AM CST Fri Nov 21 2025 .TODAY...South winds 10 to 15 knots with gusts up to 20 knots, becoming southwest 5 to 10 knots late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late. .TONIGHT...Southwest winds around 5 knots. Seas 1 to 2 feet. Wave Detail: South 2 feet at 6 seconds. .SATURDAY...West winds around 5 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .SATURDAY NIGHT...West winds around 5 knots, becoming north after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and west 1 foot at 3 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: North 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. .MONDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers, mainly in the morning. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ575-577-212300- Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm- Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM- 436 AM CST Fri Nov 21 2025 .TODAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers early this morning. A slight chance of showers late. .TONIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers in the evening. .SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and northwest 1 foot at 3 seconds. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at 3 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: North 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 4 seconds and southeast 1 foot at 6 seconds. .MONDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers. .TUESDAY NIGHT...South winds around 10 knots. Seas around 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-212300- 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- 436 AM CST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... .TODAY...South winds 10 to 15 knots with gusts up to 20 knots, becoming southwest 5 to 10 knots late. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers, mainly this morning. .TONIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers in the evening. .SATURDAY...Northwest winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and southwest 1 foot at 4 seconds. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at 2 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot at 3 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds and southeast 1 foot at 6 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .MONDAY NIGHT...South winds around 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 5 seconds. A chance of showers. .TUESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$