Know the Tide

Know the tide.

West Coast

Borden Highway Bridge

Old River · California · NOAA station 9414836 · Tide predictions

· Pacific Time · Feet / MLLW (mean lower low water)

37.8833, -121.5770

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48-hour outlook

Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.

The next seven days

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H = high tide · L = low tide · highs & lows in local time

On the water nearby

San Francisco Bar, CA (142) buoy · 58 mi W · Station 46237
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Nearby tide stations

Plan ahead

2027 tide extremes for this station

Highest predicted high tide: 3.9 ft — Sun Jul 4 · 6:09 AM

Lowest predicted low tide: -0.4 ft — Sat Jan 23 · 1:21 AM

Biggest single-day swing: 4.2 ft on Sun Jul 4

Best daytime minus tides of 2027
DateLow tideHeight
Mon Jun 74:11 PM-0.3 ft
Sun Jun 63:26 PM-0.3 ft
Mon Jul 53:06 PM-0.3 ft
Tue Jun 84:57 PM-0.3 ft
Tue Jul 63:46 PM-0.3 ft
Sat Jun 52:39 PM-0.3 ft
Sun Jul 42:24 PM-0.3 ft
Wed May 191:21 PM-0.2 ft
Wed Jun 95:41 PM-0.2 ft
Thu May 202:07 PM-0.2 ft

154 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.

About this station

NOAA builds the predictions for Borden Highway Bridge, Old River from the PORT CHICAGO, SUISUN BAY station: high tides about 0.64× the height, 280 min later; low tides about 0.61× the height, 275 min later.

Mixed semidiurnal tides — two unequal highs and two unequal lows a day — with ranges growing as you head north. Harbor entrances feel the swell as much as the tide.

RegionWest Coast
NOAA chart18661
Station since1979