Northern California Surf Forecast
Free surf forecast for Northern California, 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 Northern California
Monthly conditions in Northern California
Distribution of daily surf size by month, 2020–2024, measured near Mavericks. Each bar shows the share of days in each size band; the percentage is the chance a given day is surfable (3ft+).
<1.5ft <0.5m1.5–3ft 0.5–1m3–6.5ft 1–2m6.5–10ft 2–3m10ft+ 3m+
Jan
100%
Feb
100%
Mar
100%
Apr
99%
May
100%
Jun
97%
Jul
96%
Aug
95%
Sep
98%
Oct
98%
Nov
98%
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