National Weather Service United States Department of Commerce

Strong storm system to bring unsettled weather from Gulf Coast to Great Lakes through Wednesday

A strong storm system will bring potential for severe weather, heavy rainfall and flooding, and heavy snow from the Gulf Coast to the Great Lakes through Wednesday. Severe storms are possible Tuesday across the Gulf Coast states with damaging winds as the primary threat, however a tornadoes cannot be ruled out. Flash flooding is also possible across parts of the Southeast through Wednesday.
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Last Update: 539 PM PST MON DEC 22 2014

View Nearby Observations

Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island

Marine Zone Forecast





  • SynopsisAT 5 PM PST...A 1028 MB HIGH WAS 350 NM SW OF EUREKA...AND A 1013 MB LOW WAS 50 NM E OF SAN DIEGO. WEAK OFFSHORE FLOW WILL CONTINUE THROUGH WEDNESDAY MORNING. WEAK ONSHORE FLOW WILL RETURN THURSDAY...BECOMING OFFSHORE AGAIN FRIDAY.
  • Rest Of Tonight Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 4 to 7 ft at 13 seconds.
  • Tue Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 4 to 7 ft at 13 seconds.
  • Tue Night Wind NE 10 kt with gusts to 15 kt. Wind waves 2 ft or less. Swell W 4 to 7 ft at 15 seconds.
  • Wed Wind SE 10 kt in the morning...becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 5 to 8 ft at 17 seconds.
  • Wed Night Wind NW 10 kt. Wind waves 2 ft or less. Swell W 4 to 7 ft at 15 seconds.
  • Christmas Day Wind W 10 to 15 kt. Wind waves 3 ft. Swell W 4 to 7 ft.
  • Thu Night Wind variable less than 10 kt...becoming NE 10 kt after midnight. Wind waves 2 ft or less. Swell W 4 to 7 ft.
  • Fri Wind NE 10 kt. Gusts to 15 kt in the morning. Wind waves 2 ft or less. Swell W 4 to 7 ft.
  • Fri Night Wind N 10 kt...becoming NE after midnight. Wind waves 2 ft or less. Swell W 3 to 5 ft.
  • Sat Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 4 ft.
  • Sat Night Wind variable less than 10 kt...becoming NW 10 kt after midnight. Wind waves 2 ft or less. Swell W 2 to 3 ft.



Additional Forecasts and Information

Zone Area Forecast for Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island
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