Question 1

What wetsuit do I need for San Onofre State Beach?

Accepted Answer

The wetsuit recommendation for San Onofre State Beach is based on today's live water temperature from the nearest buoy. Visit the San Onofre State Beach water temperature page for the current reading and a specific wetsuit thickness recommendation (e.g., 3/2mm, 4/3mm, or boardshorts).

Question 2

What is the water temperature at San Onofre State Beach right now?

Accepted Answer

Current water temperature at San Onofre State Beach is sourced from CDIP and NDBC buoy networks and updated multiple times per day. The page also shows seasonal trends and monthly averages so you can plan trips in advance.

Question 3

Is the water warm enough to surf without a wetsuit at San Onofre State Beach?

Accepted Answer

Whether you need a wetsuit at San Onofre State Beach depends on the current water temperature. In summer at warmer breaks, boardshorts may suffice above ~70°F. In colder months or at northern beaches, a 3/2mm–5/4mm fullsuit is typically required. Check the current reading on the San Onofre State Beach water temperature page for a specific recommendation.

Question 4

What time of year is the water warmest at San Onofre State Beach?

Accepted Answer

Water temperature at San Onofre State Beach typically peaks in late summer (August–October) and drops to its coldest in late winter (February–March). The monthly averages chart on the San Onofre State Beach water temperature page shows the full seasonal pattern so you can plan your trip.

San Onofre State Beach Water Temp & Wetsuit Guide

San Onofre State Beach

Keep planning San Onofre State Beach

Nearby Surf Spots

Trails

Old Man's (SanO)

Church

Lower Trestles

Trails

Old Man's (SanO)

Church

Lower Trestles

San Onofre State Beach