Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
251 FZUS54 KLIX 170546 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 1246 AM CDT Thu Jul 17 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-GMZ501-171830- 1246 AM CDT Thu Jul 17 2025 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM... Winds will begin to increase slightly today as a weak and disorganized area of broad low pressure moves towards the area and the coastal waters. For the most part, exercise caution criteria will be expected but there is a chance winds could gust to 20-25 knots at times, mainly in the outer waters. Once this system passes, winds and seas will begin to wane by the end of the weekend. $$ GMZ530-171830- Lake Pontchartrain and Lake Maurepas- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...North winds 5 to 10 knots, becoming east late. Waves around 2 feet. Showers and thunderstorms. .TONIGHT...East winds around 10 knots, becoming south after midnight. Waves around 2 feet. Showers and thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...South winds around 10 knots. Waves around 2 feet. Showers. A chance of thunderstorms in the morning, then thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms. .SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or less. .SUNDAY...Southwest winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or less. .MONDAY...West winds around 5 knots. Waves 1 foot or less. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ534-171830- Lake Borgne- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...North winds around 10 knots, becoming east this afternoon. Waves around 2 feet. Showers and thunderstorms. .TONIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. Showers likely. Thunderstorms likely, mainly in the evening. .FRIDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. Showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Waves around 2 feet. A chance of showers and thunderstorms. .SATURDAY...South winds 5 to 10 knots. Waves 1 foot or less. Thunderstorms likely. Showers. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. .SUNDAY...Southwest winds around 5 knots. Waves 1 foot or less. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. .MONDAY...West winds 5 to 10 knots. Waves 1 foot or less. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ GMZ532-171830- Mississippi Sound- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...Northeast winds around 10 knots, becoming southeast with gusts up to 20 knots late this morning and afternoon. Waves 2 to 3 feet. Showers and thunderstorms. .TONIGHT...South winds around 15 knots with gusts up to 20 knots. Waves around 3 feet. Showers and thunderstorms likely. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Waves around 3 feet. Showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers and thunderstorms. .SATURDAY...South winds 5 to 10 knots. Waves around 2 feet. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms after midnight. .SUNDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Waves 1 foot or less, then around 2 feet in the afternoon. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds around 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms after midnight. .MONDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Waves 1 foot or less, then around 2 feet in the afternoon. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ536-538-171830- Chandeleur Sound-Breton Sound- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...North winds around 10 knots, becoming south late this morning and early afternoon, then becoming south 10 to 15 knots with gusts up to 20 knots late. Waves 2 to 3 feet. Showers and thunderstorms. .TONIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Waves 3 to 4 feet. Thunderstorms likely. Showers. .FRIDAY...South winds around 15 knots with gusts up to 20 knots. Waves 3 to 4 feet. Thunderstorms, showers. .FRIDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of showers and thunderstorms. .SATURDAY...South winds 5 to 10 knots. Waves around 2 feet. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Waves 1 foot or less, then 1 to 2 feet in the afternoon. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms after midnight. .MONDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Waves 1 foot or less. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ555-557-171830- 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- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. Showers with thunderstorms likely until late afternoon, then a chance of showers and thunderstorms late. .TONIGHT...South winds around 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers and thunderstorms. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers and thunderstorms likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ550-552-171830- 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- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...Northwest winds around 10 knots, becoming west late. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds. Showers and thunderstorms until late afternoon, then showers and thunderstorms likely late. .TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 3 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. Thunderstorms likely. Showers. .FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: South 2 feet at 4 seconds. Showers and thunderstorms likely, mainly in the morning. .SATURDAY NIGHT...South winds around 5 knots. Seas 1 to 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds around 5 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ575-577-171830- 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- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. Thunderstorms likely. Showers. .TONIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 5 seconds. Showers likely with a chance of thunderstorms. .FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds. Showers and thunderstorms. .FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers and thunderstorms likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and south 1 foot at 10 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and south 2 feet at 10 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 7 seconds. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ570-572-171830- 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- 1246 AM CDT Thu Jul 17 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH FRIDAY EVENING... .TODAY...West winds around 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 3 seconds. Showers and thunderstorms until late afternoon, then a chance of showers and thunderstorms late. .TONIGHT...Southwest winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and southeast 2 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. Thunderstorms likely. Showers. .FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$