Marine Weather for GM 570

Forecast as of 3:16 PM CST on January 19, 2017
Coastal Waters From Port Fourchon Louisiana To Lower Atchafalaya
River La From 20 To 60 Mile-
Coastal Waters From Southwest Pass Of The Mississippi River To
Port Fourchon Louisiana From 20 To 60 Mile-
Tonight
Southwest winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Showers and chance of thunderstorms in the evening...then slight chance of showers and thunderstorms after midnight.
Friday
South winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Slight chance of showers and thunderstorms.
Friday Night
South winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Waves or seas building to 3 to 6 feet with occasional seas to 6 feet. Dominant period 6 seconds after midnight. Showers and thunderstorms likely.
Saturday
Southwest winds 15 to 20 knots. Seas 4 to 7 feet with occasional seas to 9 feet. Dominant period 6 seconds. Showers and thunderstorms.
Saturday Night
Southwest winds 20 to 25 knots. Seas 6 to 10 feet with occasional seas to 11 feet. Dominant period 7 seconds. Chance of showers and thunderstorms.
Sunday
West winds 25 to 35 knots with gusts to near 50 knots. Seas 6 to 10 feet with occasional seas to 11 feet. Dominant period 7 seconds. Waves or seas building to 12 to 16 feet with occasional seas to 20 feet. Dominant period 7 seconds in the afternoon. Chance of showers and thunderstorms.
Sunday Night
Northwest winds 30 to 35 knots. Gusts up to 50 knots. Seas 14 to 18 feet with occasional seas to 24 feet. Dominant period 14 seconds. Slight chance of showers and thunderstorms.
Monday
Northwest winds 25 to 30 knots easing to 15 to 20 knots in the afternoon. Seas 14 to 18 feet with occasional seas to 22 feet. Dominant period 14 seconds. Waves or seas subsiding to 8 to 12 feet with occasional seas to 13 feet. Dominant period 14 seconds in the afternoon.
Monday Night
Northwest winds 15 to 20 knots becoming south 5 to 10 knots after midnight. Seas 4 to 7 feet with occasional seas to 9 feet. Dominant period 9 seconds. Waves or seas subsiding to 3 to 6 feet with occasional seas to 6 feet. Dominant period 9 seconds after midnight.
Tuesday
South winds 10 to 15 knots. Seas 2 to 4 feet.
Tuesday Night
South winds 10 to 15 knots. Seas 3 to 5 feet.

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Coastal Water Temperatures

Place Temperature
Grand Isle, LA 66.9 °F

Open Sea Buoy Information

Place ID Sea Temp Wave Height
No Stations Reporting

C-MAN Station Information

Place ID Water Temp Wave Height
Bullwinkle Block
-
-
Grand Isle, LA
-
-
Southwest Pass, LA BURL1
-
-

Tide Heights

2017-01-19 2017-01-20
3 AM 9 AM 3 PM 9 PM 3 AM 9 AM 3 PM 9 PM

Tide Information

Date Time Tide Type Height
Ship Shoal Light, Louisiana:  
2017-01-19 3:20 PM CST High Tide 0.46
2017-01-20 2:36 AM CST Low Tide -0.23
2017-01-20 3:18 PM CST High Tide 0.62

More Tide Locations