NOAA Ocean Update

Coastal Buoy Observations

Surf Alert: Water temperature 73.4 °F and Wave height 3.0 ft (Swell) / 1.3 ft (Wind Wave).

Primary buoy at San Clemente Basin reports a water temperature of 73.4 °F with a swell height around 3.0 ft and wind waves near 1.3 ft. The secondary buoy at Oceanside Offshore shows water temperature of 72.9 °F with seas near 2.6 ft and wind waves around 1.6 ft. The next high tide is bolded below and the next low tide is bolded below.

Primary Buoy  
Area / Location San Clemente Basin (32.5033, -118.0283)
Observation time 3:30 AM PST, Sep 23, 2026
Wave period 14.8 sec (Swell)
Wind speed and direction W 5.8 kt
Water temperature graph


73.4 °F
Wave height graph


Swell 3.0 ft
Air temperature graph


68.5 °F
Secondary Buoy  
Area / Location Oceanside Offshore (33.1783, -117.4717)
Observation time 3:26 AM PST, Sep 23, 2026
Wave period 17.0 sec (Peak)
Wind speed and direction Unavailable
Water temperature graph


72.9 °F
Wave height graph


Seas 2.6 ft
Air temperature graph Unavailable
Shore / Tide  
Area / Location San Diego shore (32.7156, -117.1767)
Observation time 3:54 AM PST, Sep 23, 2026
Current water level 2.899 ft
Tide 1 Low: 1:07 AM PST, 0.24 ft
Tide 2 High: 7:25 AM PST, 4.888 ft
Tide 3 Low: 12:56 PM PST, 1.868 ft
Tide 4 High: 6:56 PM PST, 5.841 ft
Sources:

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