Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend.
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Last Update: 132 PM PDT SAT JUL 23 2016

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San Diego, CA Local Forecast Office

43NM SSW Laguna Beach CA

Marine Zone Forecast


Synopsis: AT 1 PM...A 1025 MB HIGH WAS 500 NM WEST OF SAN FRANCISCO AND A 1002 MB LOW WAS OVER DEATH VALLEY. A COASTAL EDDY CIRCULATION WILL CONTINUE TONIGHT AND WEAKEN SUNDAY. WEAK ONSHORE FLOW WILL FOLLOW THROUGH THURSDAY.

Tonight
Wind variable less than 10 kt...becoming SE 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 9 seconds and S 2 ft at 14 seconds.
Sun
Wind SE 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 9 seconds and S 2 ft at 13 seconds.
Sun Night
Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 13 seconds.
Mon
Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 to 3 ft at 14 seconds.
Mon Night
Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 ft at 13 seconds.
Tue
Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 to 3 ft.
Tue Night
Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 to 3 ft.
Wed
Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 to 3 ft.
Wed Night
Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft and S 1 to 3 ft.
Thu
Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 ft.
Thu Night
Wind W 10 to 15 kt. Wind waves 3 ft in the evening... Becoming 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
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ABOUT THIS FORECAST

Last Update: 132 PM PDT SAT JUL 23 2016
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