The Swell Report — Surf Guidesurfspotguide.com
NOAA observations
San Diego Water Temperature
72.3°F
22.4°C · measured 2026-11-06 21:42 local time
Wear todaySpringsuit or 2mm fullsuitNo accessories
San Diego water temperature by month
Averages from 32,660 hourly NOAA readings at San Diego Bay (NOAA 9410170), 2023–2026. Ranges show how far individual readings strayed from the mean.
| Month | Average | Range | Typical wetsuit |
|---|---|---|---|
| January | 59.7°F / 15.4°C | 56.3–63.7°F | 4/3mm fullsuit |
| February | 60°F / 15.6°C | 55.9–64.2°F | 4/3mm fullsuit |
| March | 62°F / 16.7°C | 56.5–70.7°F | 3/2mm fullsuit |
| April | 63.4°F / 17.4°C | 56.1–70.2°F | 3/2mm fullsuit |
| May | 65.9°F / 18.8°C | 61.3–70.9°F | 3/2mm fullsuit |
| June | 68.1°F / 20.1°C | 62.2–73.9°F | Springsuit or 2mm fullsuit |
| July | 71°F / 21.7°C | 64–78.4°F | Springsuit or 2mm fullsuit |
| August | 72.9°F / 22.7°C | 64.4–78.6°F | Springsuit or 2mm fullsuit |
| September | 72.4°F / 22.4°C | 66.6–77.9°F | Springsuit or 2mm fullsuit |
| October | 68.1°F / 20.1°C | 62.8–71.2°F | Springsuit or 2mm fullsuit |
| Novembernow | 64.5°F / 18.1°C | 60.3–67.8°F | 3/2mm fullsuit |
| December | 61.9°F / 16.6°C | 58.5–64.4°F | 4/3mm fullsuit |
Warmest: August at 72.9°F. Coldest: January at 59.7°F — a 13°F swing across the year.
Surfing in San Diego
- Surf lessons in San Diego — schools, prices and what past students said.
- Surf shops in San Diego — board and wetsuit rentals nearby.
- Wetsuit thickness chart — the full temperature-to-thickness table.
- Best time to surf in California — swell seasons and crowd levels.
Water temperature in other surf towns
Source: NOAA CO-OPS station 9410170, 8.5km from San Diego. Climatology rebuilt 2026-09-25.
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