National Weather Service United States Department of Commerce

Ana moving away from main Hawaiian Islands

The Central Pacific Hurricane Center continues to monitor Tropical Storm Ana as it continues to move away from the main Hawaiian Islands. Maximum sustained winds are 70 miles per hour, with higher gusts. A Tropical Storm Warning and a Hurricane Watch are in effect for uninhabited regions of northwest Hawaii.
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Last Update: 227 AM PDT MON OCT 20 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 2 AM...A 1013 MB HIGH WAS OVER MONTEREY BAY AND A 1008 MB LOW COVERED THE SOUTHEAST CALIFORNIA DESERTS. MODERATE ONSHORE FLOW WILL CONTINUE THROUGH TUESDAY...THEN DECREASE WEDNESDAY AS PRESSURE GRADIENTS GO NEARLY NEUTRAL. A LONG- PERIOD NORTHWEST SWELL WILL ENTER THE OUTER WATERS TONIGHT AND TUESDAY MORNING...PEAKING AROUND 8 TO 10 FEET IN THE OUTER WATERS LATE TUESDAY...THEN DECREASING THROUGH WEDNESDAY.
  • Today Wind NW 10 kt with gusts to 15 kt. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 3 to 5 ft at 14 seconds and SW 1 ft at 14 seconds.
  • Tonight Wind NW 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. Swell W 4 to 7 ft at 17 seconds... Building to 6 to 9 ft at 16 seconds after midnight. Swell SW 1 ft.
  • Tue Wind NW 10 to 15 kt...becoming 10 kt in the afternoon. Wind waves 3 ft in the morning...becoming 2 ft or less. Mixed swell W 6 to 9 ft at 15 seconds and SW 1 ft at 21 seconds.
  • Tue Night Wind NW 10 to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 3 ft in the evening... Becoming 2 ft or less. Mixed swell W 6 to 9 ft at 14 seconds and SW 1 ft at 20 seconds.
  • Wed Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 4 to 7 ft at 13 seconds and SW 1 ft at 18 seconds.
  • Wed Night Wind NW 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 6 ft and SW 1 ft.
  • Thu Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 5 ft and SW 1 ft.
  • Thu Night Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 5 ft and SW 1 ft.
  • Fri Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 5 ft and SW 1 ft.
  • Fri Night Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 5 ft and SW 1 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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