Coastal Waters Forecast for Coastal waters from Cameron LA to High Island TX out 20 NM (GMZ450) (Text-Only)
NWS Forecast for: Coastal waters from Cameron LA to High Island TX out 20 NM (GMZ450)
Issued by: National Weather Service Lake Charles, LA
Last Update: 309 AM CDT Tue Apr 21 2026


Today: Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms until late afternoon, then a chance of thunderstorms late.

Tonight: Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 4 seconds. A chance of showers and thunderstorms.

Wednesday: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. A chance of thunderstorms. Showers.

Wednesday Night: Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 4 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.

Thursday: Southeast winds around 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 4 seconds and southeast 1 foot at 8 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

Thursday Night: Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave detail: southeast 4 feet at 5 seconds and southeast 1 foot at 8 seconds.

Friday: South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon.

Friday Night: South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

Saturday: South winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.

Saturday Night: South winds 10 to 15 knots. Seas around 2 feet.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal waters from Cameron LA to High Island TX out 20 NM (GMZ450)

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