NOAA Ocean Update – August 20, 2026 (6:18 PM)

Coastal Buoy Observations

Surf Alert: Surf Alert: Water temperature 71.8 °F and wave height 3.9 ft are currently observed.

The primary buoy reports water around 71.8 °F with a steady shoreward swell of about 3.9 ft and a 13 s peak period. The secondary buoy shows warmer water at 75.6 °F with about 2.6 ft waves. Air temperatures are in the upper 60s to around 70 °F, and winds were light to moderate from the west-northwest.
Next high: 11:52 AM PST and Next low: 5:34 AM PST.

Primary Buoy
Area / Location San Clemente Basin (32.5033, -118.0283)
Observation time 5:50 PM PST
Wave period 13 s
Wind speed and direction 5.8 kt WNW
Water temperature graph

71.8 °F

Wave height graph

3.9 ft

Air temperature graph

69.6 °F

Secondary Buoy
Area / Location Oceanside Offshore (33.1783, -117.4717)
Observation time 5:56 PM PST
Wave period 14 s
Wind speed and direction Unavailable
Water temperature graph

75.6 °F

Wave height graph

2.6 ft

Air temperature graph

Unavailable

Shore / Tide
Area / Location San Diego shore (32.7156, -117.1767)
Observation time 6:12 PM PST
Current water level 4.33 ft
Tide 1 Low: 5:34 AM PST, -0.029 ft
Tide 2 High: 11:52 AM PST, 5.523 ft
Tide 3 Low: 5:50 PM PST, 1.172 ft
Tide 4 High: 11:47 PM PST, 5.427 ft
Sources:

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