Home › United States › Half Moon Bay
Half Moon Bay surf report and forecast
Swell 1: 0.7 m 6 s WNW · Swell 2: 0.6 m 14 s SW · Swell 3: 0.6 m 19 s W
Best window this week: Monday 07:00 PST — 10.0 1.2 m (3.9 ft) at 18 s, glassy wind. Ratings: 0–10 for an intermediate surfer; B = beginner, A = advanced. Offshore/onshore is judged against the coast's orientation (250° faces the sea).
7-day surf forecast
| Day | Rating | Wave height | Period | Swell from | Wind | Sun |
|---|---|---|---|---|---|---|
| Sun 01 Nov | 9.0 B 4 · A 8 | 1.2 m (4.1 ft) | 15 s | SW | 7 kt cross-shore | 06:34–17:11 |
| Mon 02 Nov | 10.0 B 4 · A 10 | 1.2–1.4 m (3.9–4.7 ft) | 18 s | W | 3 kt glassy | 06:35–17:09 |
| Tue 03 Nov | 8.5 B 2 · A 9 | 1.5–2.1 m (4.8–6.9 ft) | 16 s | W | 9 kt cross-onshore | 06:37–17:08 |
| Wed 04 Nov | 9.6 B 1 · A 10 | 1.6–2.2 m (5.3–7.1 ft) | 13 s | W | 7 kt cross-offshore | 06:38–17:07 |
| Thu 05 Nov | 10.0 B 4 · A 10 | 1.4–1.7 m (4.6–5.4 ft) | 14 s | W | 6 kt glassy | 06:39–17:06 |
| Fri 06 Nov | 8.3 B 1 · A 10 | 1.8–2.0 m (5.8–6.5 ft) | 16 s | W | 6 kt glassy | 06:40–17:06 |
| Sat 07 Nov | 8.8 B 1 · A 10 | 1.7–2.0 m (5.6–6.6 ft) | 15 s | W | 5 kt glassy | 06:41–17:05 |
Today and tomorrow, every 3 hours
| Time | Rating | Wave | Period · from | Wind |
|---|---|---|---|---|
| Mon 04:00 | 10.0 B 4 · A 9 | 1.2 m (3.9 ft) | 19 s W | 2 kt NE glassy |
| Mon 07:00 | 10.0 B 4 · A 9 | 1.2 m (3.9 ft) | 18 s W | 2 kt E glassy |
| Mon 10:00 | 10.0 B 4 · A 9 | 1.2 m (4.1 ft) | 18 s W | 2 kt ESE glassy |
| Mon 13:00 | 9.8 B 3 · A 9 | 1.3 m (4.2 ft) | 18 s W | 3 kt SW glassy |
| Mon 16:00 | 10.0 B 3 · A 10 | 1.3 m (4.4 ft) | 17 s W | 2 kt SW glassy |
| Mon 19:00 | 9.1 B 2 · A 9 | 1.4 m (4.6 ft) | 17 s W | 5 kt W glassy |
| Mon 22:00 | 9.6 B 2 · A 10 | 1.4 m (4.7 ft) | 17 s W | 7 kt SE cross-offshore |
| Tue 01:00 | 8.3 B 2 · A 8 | 1.5 m (4.8 ft) | 17 s W | 9 kt SSW cross-onshore |
| Tue 04:00 | 8.0 B 2 · A 8 | 1.5 m (4.9 ft) | 16 s W | 11 kt S cross-shore |
| Tue 07:00 | 8.2 B 2 · A 8 | 1.5 m (4.9 ft) | 16 s W | 12 kt SSE cross-shore |
| Tue 10:00 | 7.9 B 1 · A 8 | 1.6 m (5.2 ft) | 16 s W | 14 kt SSE cross-shore |
| Tue 13:00 | 6.2 B 1 · A 6 | 1.8 m (6.0 ft) | 15 s W | 13 kt SW onshore |
| Tue 16:00 | 8.5 B 1 · A 9 | 1.9 m (6.2 ft) | 15 s W | 5 kt SSW cross-onshore |
| Tue 19:00 | 8.5 B 1 · A 10 | 2.0 m (6.4 ft) | 15 s W | 5 kt SSE cross-shore |
| Tue 22:00 | 8.0 B 1 · A 10 | 2.1 m (6.9 ft) | 15 s W | 5 kt ESE glassy |
Model vs reality: nearest buoy
Buoy San Francisco Bar, CA (142) (46237), 40 km from Half Moon Bay, reported 1 h before this update. model on target (within 0.3 m).
| Buoy | Model | |
|---|---|---|
| Wave height | 1.5 m (4.9 ft) | 1.2 m (4.0 ft) |
| Peak period | 15 s | 19 s |
| Swell from | SW | W |
water 14.5 °C at the buoy
Buoy = measured at sea by NOAA NDBC. Model = GFS-Wave interpolated to the buoy's position and time. A persistent gap means the model is running high or low for this swell; adjust the forecast accordingly.
Half Moon Bay tide chart
| Day | High and low tide (PST, height vs. mean sea level) |
|---|---|
| Sun 01 Nov | Low 22:40 (-1.0 m / -3.2 ft) |
| Mon 02 Nov | High 05:50 (+0.5 m / +1.7 ft) · Low 11:10 (-0.1 m / -0.3 ft) · High 16:30 (+0.6 m / +1.8 ft) · Low 23:30 (-0.9 m / -2.9 ft) |
| Tue 03 Nov | High 06:30 (+0.6 m / +2.0 ft) · Low 12:20 (-0.3 m / -0.9 ft) · High 17:50 (+0.5 m / +1.5 ft) |
| Wed 04 Nov | Low 00:20 (-0.8 m / -2.5 ft) · High 07:10 (+0.7 m / +2.4 ft) · Low 13:20 (-0.5 m / -1.6 ft) · High 19:10 (+0.4 m / +1.4 ft) |
| Thu 05 Nov | Low 01:10 (-0.6 m / -2.1 ft) · High 07:40 (+0.8 m / +2.7 ft) · Low 14:10 (-0.7 m / -2.3 ft) · High 20:10 (+0.4 m / +1.3 ft) |
| Fri 06 Nov | Low 01:50 (-0.5 m / -1.6 ft) · High 08:10 (+0.9 m / +2.9 ft) · Low 15:00 (-0.9 m / -2.9 ft) · High 21:10 (+0.4 m / +1.3 ft) |
| Sat 07 Nov | Low 02:20 (-0.4 m / -1.2 ft) · High 08:40 (+0.9 m / +3.0 ft) · Low 15:40 (-1.0 m / -3.3 ft) · High 22:00 (+0.4 m / +1.3 ft) |
Nearby spots
- 10.0 Mavericks 7 km · 1.2 m (3.9 ft) now
- 10.0 Pacifica 16 km · 1.2 m (3.9 ft) now
- 10.0 Ocean Beach (SF) 34 km · 1.2 m (4.0 ft) now
- 6.9 Stinson Beach 52 km · 1.3 m (4.4 ft) now
- 7.4 Bolinas 57 km · 1.3 m (4.4 ft) now
Embed this Half Moon Bay forecast on your website → free widget for hotels, surf schools and blogs
Waves: NOAA GFS-Wave global 0.25deg, cycle 20261102 06z (NOMADS). Tides: GOT4.10c (NASA GSFC) via pyTMD. Water: sea surface temperature: Open-Meteo Marine API (ECMWF / Météo-France), CC BY 4.0. Times in local time (America/Los_Angeles). Forecast for the nearest open-water model point (37.50, -122.50); local bathymetry, tide and wind change conditions at the beach.