Cabrillo Tide Pools in 2026: The Low-Tide Schedule the Gate Hours Actually Allow

Cabrillo National Monument's tidepool area closes at 4:30 PM and the entrance gate doesn't open until 9:00 AM, so every one of the eight ranked July 2026 low-tide windows at NOAA station 9410170 (San Diego), with lows between 3:34 and 6:55 AM, happens behind a locked gate. The usable 2026 dates are afternoon lows — Oct 25, Nov 25, and Dec 22–24 — bottoming at −1.88 ft on Dec 24 at 3:50 PM.

Most tide pool guides give you the tide table and stop. At Cabrillo, the tide table is the easy half. The hard half is a gate.

Does the tide table matter if the gate is closed?

Cabrillo National Monument sits at the tip of Point Loma, and the National Park Service runs it on office hours. Per the NPS hours page, the park is "open daily from 9:00 AM to 5:00 PM, with the exception of Thanksgiving Day and Christmas Day," and the rule is explicit: "The main gate into Cabrillo National Monument closes at 5:00 PM, and all visitors must exit the park at this time. Public access after 5:00 PM and before 9:00 AM is not allowed." The tidepool area itself closes earlier, at 4:30 PM.

So a usable low at Cabrillo has to land inside a window of roughly 9:00 AM to 4:30 PM — and since the standard play is to arrive about an hour before the low, the practical requirement is a predicted low between about 10:00 AM and 4:00 PM. That single constraint deletes most of the year's best tides.

Which 2026 minus tides can you actually use?

Here is 2026's headline list for station 9410170, run through the gate-hours filter. Computed 2026-07-03 from NOAA station 9410170 predictions.

Five survivors, all in the last ten weeks of the year. And note the two holiday heartbreakers: 2026 puts a −1.31 ft low on Thanksgiving afternoon and a −1.71 ft low on Christmas afternoon, the only two days of the year the park closes entirely. Both lows fall after the tidepool area's 4:30 PM cutoff regardless, so the calendar is only rubbing it in.

What happened to July's minus tides?

On paper, July 2026 is San Diego's best tidepool month of the summer: 22 lows below 1 ft, 14 daylight windows, 10 of them genuine daylight minus tides (computed 2026-07-03 from NOAA station 9410170 predictions). Every ranked window bottoms out between 3:34 AM and 6:55 AM. The month's deepest low, −1.69 ft on Tuesday, July 14, arrives at 4:17 AM; by the time the gate opens at 9:00 AM the tide has been flooding back in for almost five hours. August repeats the pattern — its best window (Aug 13, −1.03 ft) hits at 4:30 AM.

Those dawn lows aren't wasted, just wasted at Cabrillo. Station 9410170's predictions also cover Sunset Cliffs and Ocean Beach a couple of miles up the same peninsula, and Sunset Cliffs Natural Park is a City of San Diego park with no daytime gate — per the city's park night-closures list, its posted closures are late-night curfews (11 PM–4 AM at the Ladera Street entrance, 2–4 AM for the four Sunset Cliffs lots), not business hours. The San Diego station page and the July 2026 calendar list every window either way.

September, for the record, offers Cabrillo one headline consolation — the month's best-scored window: Sunday, Sep 27, a +0.21 ft low at 4:22 PM. That clears the NPS viewing threshold (see below) but bottoms out eight minutes before the tidepool area closes, so treat the 3:22 PM arrive-by time as firm.

What's the best hour to arrive?

An hour before the predicted low. That's the arrive-by column above, and it's how every window on this site is scored — you follow the water out and get the deepest rock at slack. The Tide Window Finder computes it for any date.

At Cabrillo there's a twist: the 4:30 PM close clips the back half of most winter windows, so the earlier days of a run trade a little depth for a lot of time. Simple arithmetic on the fact-sheet windows (computed 2026-07-03 from NOAA station 9410170 predictions):

Dec 24 is the deepest daylight low of 2026 at −1.88 ft, but Dec 22 at −1.49 ft gives you nearly five hours of workable rock. Depth is not the only number that matters.

The NPS pegs good viewing at a tide of 0.7 ft or lower. All five usable 2026 dates clear it with room to spare; the December lows sit more than 2 ft below it.

What are the rules once you're on the rocks?

Straight from the NPS tidepool page: "Touch tidepool animals gently, similar to how you would touch your own eyeball. Avoid poking anemones or squeezing sea hares." Collecting "any natural items, including living and dead organisms, shells, or rocks, is strictly forbidden," and you should not move or turn rocks — leave them "in their original location and orientation." The NPS also recommends shoes with good gripping soles, since the rocks get slippery with water and algae. (The sea hare warning is not hypothetical: California sea hares show up in our fact sheet's log of species observed within 5 km of the station in the last 60 days.)

Entrance is $20 per private vehicle, $15 per motorcycle, or $10 per person walking or biking in, valid for 7 days — so a Dec 22 visit and a Dec 24 return ride on one pass.

Is there anything after 2026?

Yes, and it's better. The king-tide season delivers Cabrillo's real jackpot in January 2027: −1.72 ft at 2:11 PM on Jan 20, −1.97 ft at 2:51 PM on Jan 21, and −1.96 ft at 3:30 PM on Jan 22 (computed 2026-07-03 from NOAA station 9410170 predictions). All three sit comfortably inside gate hours. The Jan 21 low is the deepest daylight water of the whole October-to-March season, and the 2026–2027 king tides page tracks the full run. To see the whole shape of the year at a glance — summer lows at dawn, winter lows mid-afternoon — the year heatmap makes the pattern obvious in one screen.

If you only put one date on the calendar, make it Wednesday, December 23: −1.81 ft at 3:05 PM, arrive by 2:05 PM, and the gate math finally works in your favor.