Tidewindow

Pillar Point Harbor (Half Moon Bay) tide windows

NOAA 9414131

Half Moon Bay station covering the Pillar Point reef flat and Fitzgerald Marine Reserve — the Bay Area's classic minus-tide destinations.

Covers: Pillar Point Reef · Fitzgerald Marine Reserve (Moss Beach) · Maverick's Beach

Next best window · computed 2026-08-18

Sep 12, 2026 (Sat): the tide bottoms at 0.6 ft at 6:26 PM — walkable 5:20 PM–7:35 PM, arrive by 5:26 PM. 39 · Skip

sunset+1.0 ft walkable0.6 ft · 6:26 PM

Every daylight window, next 30 days

Heights in feet MLLW from NOAA station 9414131 (Pillar Point Harbor) predictions, window bounds cosine-interpolated. ✳ = federal holiday.

DateLowHeightWindowDaylightScore
Fri12:57 AM0.9 ft12:00 AM–2:05 AMnight0 · Skip
Sat1:57 AM0.6 ft12:30 AM–3:35 AMnight0 · Skip
Sun2:48 AM0.3 ft1:00 AM–4:45 AMnight0 · Skip
Mon3:29 AM0.1 ft1:30 AM–5:35 AMnight0 · Skip
Tue4:04 AM-0.1 ft2:00 AM–6:15 AMnight0 · Skip
Wed4:36 AM-0.1 ft2:35 AM–6:45 AM0h 10m0 · Skip
Thu5:05 AM-0.1 ft3:10 AM–7:05 AM0h 29m0 · Skip
Fri5:34 AM0.1 ft3:50 AM–7:20 AM0h 43m29 · Skip
Sat6:01 AM0.4 ft4:35 AM–7:30 AM0h 52m30 · Skip
Sun6:29 AM0.8 ft5:40 AM–7:20 AM0h 41m26 · Skip
Mon7:47 PM0.9 ft7:05 PM–8:30 PM0h 35m15 · Skip
Tue8:41 PM0.7 ft7:35 PM–9:55 PM0h 4m0 · Skip
Wed9:49 PM0.5 ft8:25 PM–11:30 PMnight0 · Skip
Thu11:09 PM0.3 ft9:25 PM–1:15 AMnight0 · Skip
Sat12:24 AM0.1 ft10:20 PM–2:50 AMnight0 · Skip
Sun1:32 AM-0.2 ft11:15 PM–4:05 AMnight0 · Skip
Mon ✳2:32 AM-0.5 ft12:10 AM–5:05 AMnight0 · Skip
Tue3:21 AM-0.6 ft1:00 AM–5:45 AMnight0 · Skip
Wed4:04 AM-0.5 ft1:55 AM–6:20 AMnight0 · Skip
Thu4:43 AM-0.3 ft2:45 AM–6:40 AMnight0 · Skip
Fri5:19 AM0.1 ft3:40 AM–6:55 AM0h 6m0 · Skip
Fri5:39 PM0.9 ft5:00 PM–6:20 PM1h 20m27 · Skip
Sat5:54 AM0.7 ft4:50 AM–6:55 AM0h 5m0 · Skip
Sat6:26 PM0.6 ft5:20 PM–7:35 PM2h 2m39 · Skip
Sun7:12 PM0.5 ft5:55 PM–8:35 PM1h 25m33 · Skip
Mon7:58 PM0.6 ft6:40 PM–9:25 PM0h 39m16 · Skip
Tue8:48 PM0.7 ft7:40 PM–10:05 PMnight0 · Skip
Wed9:48 PM0.8 ft8:55 PM–10:55 PMnight0 · Skip

Monthly calendars

July 2026August 2026September 2026

What's in the pools right now

Research-grade observations within 5 km in the last 60 days, via iNaturalist (data © contributors, CC BY-NC).

SpeciesScientific nameObservations
Opalescent NudibranchHermissenda opalescens44
Spotted DoridTriopha maculata43
Hopkins' Rose NudibranchCeratodoris rosacea26
Gumboot ChitonCryptochiton stelleri21
Stubby DendronotidDendronotus subramosus20
Hammerhead DotoDoto amyra17
Hilton's AeolidPhidiana hiltoni16
San Diego DoridDiaulula sandiegensis14
Heath's DoridGeitodoris heathi11
California MusselMytilus californianus11

Quick answers

When is the next good low tide at Pillar Point Harbor (Half Moon Bay)?

Sep 12, 2026 (Sat): a 0.6 ft low at 6:26 PM, walkable from 5:20 PM to 7:35 PM — score 39/100. Computed from NOAA station 9414131 predictions.

How low does the tide need to be at Pillar Point Harbor (Half Moon Bay)?

Tidewindow counts a window whenever the predicted height falls below +1.0 ft MLLW, and scores depth from +0.5 ft (0 points) to −2.0 ft (50 points). The lower the tide, the more of the intertidal zone is exposed — minus tides (below 0 ft) are when Pillar Point Reef is at its best.

How many daylight minus tides does Pillar Point Harbor (Half Moon Bay) get in the next 30 days?

0 of the next 30 days' 8 minus tides overlap daylight by at least 30 minutes, as of 2026-08-18. The full list is in the table above.

Safety: tide predictions are astronomical forecasts, not observations — wind and swell change actual water levels. Follow posted rules at protected areas, and never turn your back on the ocean. See our methodology for exactly how windows and scores are computed.