Tides & daylight

Tides & daylight in San Francisco Bay

Live 7-day tide forecast and year-round daylight hours for San Francisco Bay, the United States.

Big-breeze sailing under the Golden Gate.

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Tide forecast for San Francisco Bay

Hourly sea level for the next seven days, with high and low water marked — plan shallow-harbour entries and anchor scope around the turns.

21 Tue22 Wed23 Thu24 Fri25 Sat26 Sun1.0m-0.9m

High & low water, day by day

Mon, Jul 20

  • High water3:40 AM · 0.44 m
  • Low water9:20 AM · -0.43 m
  • High water4:17 PM · 0.9 m
  • Low water11:04 PM · -0.41 m

Tue, Jul 21

  • High water5:05 AM · 0.29 m
  • Low water10:00 AM · -0.23 m
  • High water5:06 PM · 0.91 m

Wed, Jul 22

  • Low water12:14 AM · -0.5 m
  • High water6:36 AM · 0.25 m
  • Low water10:47 AM · -0.05 m
  • High water5:53 PM · 0.93 m

Thu, Jul 23

  • Low water1:24 AM · -0.6 m
  • High water8:00 AM · 0.27 m
  • Low water11:40 AM · 0.07 m
  • High water6:39 PM · 0.92 m

Fri, Jul 24

  • Low water2:16 AM · -0.73 m
  • High water9:06 AM · 0.31 m
  • Low water12:42 PM · 0.13 m
  • High water7:24 PM · 0.92 m

Sat, Jul 25

  • Low water3:02 AM · -0.85 m
  • High water9:56 AM · 0.35 m
  • Low water1:52 PM · 0.13 m
  • High water8:08 PM · 0.93 m

Sun, Jul 26

  • Low water3:45 AM · -0.96 m
  • High water10:36 AM · 0.38 m
  • Low water2:43 PM · 0.1 m
  • High water8:47 PM · 0.97 m

The marine model currently ends at Sun, Jul 26; the remaining days appear as your date approaches. Heights are sea level relative to mean sea level, from the Open-Meteo Marine forecast. All times are local (America/Los_Angeles). Refreshed every 15 minutes.

Sunrise, sunset & daylight in San Francisco Bay

Sample days — the 15th of each month, July 2026 to December 2026 — for San Francisco Bay.

AugSepOctNovDec15h0h
MonthDawnSunriseSunsetDuskDaylight
July 20265:30 AM6:00 AM8:32 PM9:03 PM14 h 32 min
August 20265:58 AM6:26 AM8:04 PM8:32 PM13 h 38 min
September 20266:26 AM6:52 AM7:19 PM7:46 PM12 h 27 min
October 20266:52 AM7:19 AM6:33 PM7:00 PM11 h 15 min
November 20266:23 AM6:51 AM5:00 PM5:28 PM10 h 9 min
December 20266:49 AM7:19 AM4:53 PM5:22 PM9 h 34 min

Times are local. Dawn and dusk mark civil twilight: enough light for deck work, but time to switch the nav lights on.

Tide data from the Open-Meteo Marine API; sunrise and sunset computed astronomically. Not for navigation — always consult official tide tables and charts.