SwellByte

California (Northern) Surf Forecast

Free surf forecast for California (Northern), United States — 2 surf spots. Wave height, swell, wind, tide and live buoy conditions with a 16-day outlook, no subscription, updated daily on SwellByte.

Surf spots in California (Northern)

Monthly conditions in California (Northern)

How often each surf size shows up by month, 2020–2024, measured near Mavericks. Bars fill from the bottom by the share of days reaching each size; white at the top is flat days. The percentage is the chance a given day is surfable (3ft+).

1.5–3ft 0.5–1m3–6.5ft 1–2m6.5–10ft 2–3m10ft+ 3m+
Jan
100%
Feb
100%
Mar
99%
Apr
99%
May
100%
Jun
99%
Jul
90%
Aug
88%
Sep
96%
Oct
98%
Nov
99%
Dec
95%
Swell period
14s
13s
12s
11s
10s
9s
8s
8s
10s
13s
13s
14s
Water temp
55°F
55°F
54°F
53°F
54°F
55°F
57°F
58°F
60°F
59°F
56°F
55°F