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.

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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.

20 Tue21 Wed22 Thu23 Fri24 Sat25 Sun1.4m-0.7m

High & low water, day by day

Mon, Oct 19

  • High water7:13 AM · 0.69 m
  • Low water12:10 PM · 0.34 m
  • High water5:30 PM · 0.76 m

Tue, Oct 20

  • Low water12:43 AM · -0.46 m
  • High water7:46 AM · 0.8 m
  • Low water1:14 PM · 0.24 m
  • High water6:35 PM · 0.78 m

Wed, Oct 21

  • Low water1:24 AM · -0.43 m
  • High water8:09 AM · 0.9 m
  • Low water2:02 PM · 0.05 m
  • High water7:38 PM · 0.81 m

Thu, Oct 22

  • Low water2:00 AM · -0.4 m
  • High water8:37 AM · 0.99 m
  • Low water2:46 PM · -0.15 m
  • High water8:30 PM · 0.81 m

Fri, Oct 23

  • Low water2:34 AM · -0.35 m
  • High water8:56 AM · 1.04 m
  • Low water3:18 PM · -0.43 m
  • High water9:22 PM · 0.82 m

Sat, Oct 24

  • Low water3:06 AM · -0.26 m
  • High water9:23 AM · 1.18 m
  • Low water3:58 PM · -0.6 m
  • High water10:15 PM · 0.88 m

Sun, Oct 25

  • Low water3:34 AM · -0.08 m
  • High water9:50 AM · 1.36 m
  • Low water4:39 PM · -0.7 m

The marine model currently ends at Sun, Oct 25; 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, October 2026 to March 2027 — for San Francisco Bay.

NovDecJan 27FebMar12h0h
MonthDawnSunriseSunsetDuskDaylight
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
January 20276:56 AM7:25 AM5:15 PM5:43 PM9 h 50 min
February 20276:34 AM7:01 AM5:49 PM6:16 PM10 h 48 min
March 20276:56 AM7:22 AM7:17 PM7:43 PM11 h 55 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.