FZUS54 KLCH 191958 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 258 PM CDT Mon May 19 2025 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ400-200815- 258 PM CDT Mon May 19 2025 .SYNOPSIS... Winds and seas will continue to slowly increase overnight as the pressure gradient overhead tightens. Winds/wind gusts are expected to briefly increase to SCA criteria, therefore a short fused SCA has been issued from 11PM through 5AM, followed by a few more hours of Exercise Caution headlines. Winds and seas relax through tomorrow morning, post-sunrise, as a weak cold front moves towards the region. Winds will remain light to moderate, while briefly shifting north then east then back to the south/southeast tomorrow night through Wednesday. The remainder of the week will bring light onshore flow. $$ GMZ430-200815- Sabine Lake- 258 PM CDT Mon May 19 2025 .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .TUESDAY...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest after midnight. Lake waters light chop. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. .THURSDAY...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. .THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. .SATURDAY NIGHT...South winds around 10 knots. Lake waters light chop. $$ GMZ432-200815- Calcasieu Lake- 258 PM CDT Mon May 19 2025 .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. .TUESDAY...South winds 10 to 15 knots with gusts up to 25 knots. Lake waters choppy. .TUESDAY NIGHT...Southwest winds 10 to 15 knots with gusts up to 20 knots, becoming northwest 5 to 10 knots after midnight. Lake waters choppy. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .THURSDAY...Southeast winds 5 to 10 knots. Lake waters light chop. .THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. .SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. $$ GMZ435-200815- Vermilion and West Cote Blanche Bays- 258 PM CDT Mon May 19 2025 .TONIGHT...South winds 15 to 20 knots. Bay waters rough. .TUESDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay waters rough. .TUESDAY NIGHT...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots after midnight. Bay waters choppy. .WEDNESDAY...Northeast winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Bay waters smooth. .THURSDAY...South winds around 5 knots. Bay waters smooth. .THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. .FRIDAY...East winds around 5 knots, becoming south in the afternoon. Bay waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...South winds around 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-200815- Atchafalaya and East Cote Blanche Bays- 258 PM CDT Mon May 19 2025 .TONIGHT...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Bay waters rough. .TUESDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...North winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds around 5 knots. Bay waters smooth. .THURSDAY...South winds around 5 knots. Bay waters smooth. .THURSDAY NIGHT...South winds around 5 knots. Bay waters smooth. .FRIDAY...East winds around 5 knots, becoming south in the afternoon. Bay waters smooth. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ450-200815- Coastal waters from Cameron LA to High Island TX out 20 NM- 258 PM CDT Mon May 19 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 5 seconds. Patchy fog. .TUESDAY...South winds 15 to 20 knots, becoming southwest 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: South 4 feet at 6 seconds. .TUESDAY NIGHT...Southwest winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 7 seconds and southwest 2 feet at 4 seconds. .WEDNESDAY...Northeast winds around 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 2 feet at 7 seconds. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 7 seconds and east 1 foot at 3 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at 3 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. .SATURDAY...South winds 10 to 15 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds around 15 knots. Seas 2 to 4 feet. $$ GMZ452-200815- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 258 PM CDT Mon May 19 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. Patchy fog. .TUESDAY...South winds 15 to 20 knots, becoming southwest 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. .TUESDAY NIGHT...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 7 seconds. .WEDNESDAY...Northeast winds around 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 7 seconds and north 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 7 seconds. .THURSDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .FRIDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. .SATURDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-200815- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 258 PM CDT Mon May 19 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .TONIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: South 2 feet at 3 seconds. .TUESDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds and south 2 feet at 2 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 7 seconds. .WEDNESDAY...North winds around 5 knots, becoming south in the afternoon. Seas 1 to 2 feet. Wave Detail: South 2 feet at 7 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 7 seconds. .THURSDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. .FRIDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ470-200815- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 258 PM CDT Mon May 19 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 7 seconds. Patchy fog. .TUESDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Seas 2 to 4 feet. Wave Detail: South 4 feet at 7 seconds. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and north 1 foot at 3 seconds. .WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 1 foot at 3 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. $$ GMZ472-200815- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 258 PM CDT Mon May 19 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 7 seconds. Patchy fog. .TUESDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 7 seconds. .TUESDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Seas 3 to 4 feet. Wave Detail: South 4 feet at 7 seconds. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Seas 3 to 4 feet. Wave Detail: South 4 feet at 7 seconds. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. .THURSDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. $$ GMZ475-200815- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 258 PM CDT Mon May 19 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .TONIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 7 seconds. .TUESDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 7 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 7 seconds. .WEDNESDAY...South winds around 5 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 7 seconds. A slight chance of showers in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. .THURSDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$