Daily NOAA Ocean Update

Coastal Buoy Observations

Surf Alert:
Water temperature 71.8 °F, wave height 4.3 ft

Water temperatures: San Clemente Basin 71.8 °F, Oceanside Offshore 72.1 °F. Next high: 11:52 AM PST, Next low: 5:34 AM PST. For the latest conditions, winds and air temperatures are not currently reported for Oceanside Offshore.

Primary Buoy Value
Area / Location (Link) San Clemente Basin (32.5033, -118.0283)
Observation time Aug 18, 2026, 3:30 AM PST
Water temperature 71.8 °F
Wave height 4.3 ft
Wave period 6.7 sec
Wind speed and direction WNW, 9.7 kt
Air temperature 68.4 °F
Water temperature graph 71.8 °F
Wave height graph 4.3 ft
Air temperature graph 68.4 °F
Secondary Buoy Value
Area / Location (Link) Oceanside Offshore (33.1783, -117.4717)
Observation time Aug 18, 2026, 3:26 AM PST
Water temperature 72.1 °F
Wave height 3.0 ft
Wave period 14.0 sec
Wind speed and direction Unavailable
Air temperature Unavailable
Water temperature graph 72.1 °F
Wave height graph 3.0 ft
Air temperature graph Unavailable
Shore / Tide Value
Area / Location San Diego shore (32.7156, -117.1767)
Observation time Aug 18, 2026, 3:26 AM PST
Current water level 2.909 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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