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.

5 Sat6 Sun7 Mon8 Tue9 Wed10 Thu1.2m-1.0m

High & low water, day by day

Fri, Sep 4

  • High water6:00 AM · 0.43 m
  • Low water9:21 AM · 0.23 m
  • High water4:18 PM · 1.06 m

Sat, Sep 5

  • Low water12:14 AM · -0.75 m
  • High water7:14 AM · 0.45 m
  • Low water10:54 AM · 0.25 m
  • High water5:38 PM · 1.09 m

Sun, Sep 6

  • Low water1:18 AM · -0.88 m
  • High water8:12 AM · 0.54 m
  • Low water12:30 PM · 0.19 m
  • High water6:50 PM · 1.12 m

Mon, Sep 7

  • Low water2:15 AM · -0.99 m
  • High water9:01 AM · 0.63 m
  • Low water1:45 PM · 0.07 m
  • High water7:53 PM · 1.18 m

Tue, Sep 8

  • Low water3:01 AM · -1 m
  • High water9:37 AM · 0.74 m
  • Low water2:43 PM · -0.08 m
  • High water8:50 PM · 1.22 m

Wed, Sep 9

  • Low water3:43 AM · -0.99 m
  • High water10:12 AM · 0.84 m
  • Low water3:40 PM · -0.26 m
  • High water9:43 PM · 1.18 m

Thu, Sep 10

  • Low water4:19 AM · -0.92 m
  • High water10:47 AM · 0.93 m
  • Low water4:29 PM · -0.38 m

The marine model currently ends at Thu, Sep 10; 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, August 2026 to January 2027 — for San Francisco Bay.

SepOctNovDecJan 2714h0h
MonthDawnSunriseSunsetDuskDaylight
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
January 20276:56 AM7:25 AM5:15 PM5:43 PM9 h 50 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.