78checking sources
San Diego
Tidepools, winter king tides and South Coast wildlife pulses.
NOAA 9410170NDBC 46258
Where is the ocean running above or below the tide prediction?
Compare live NOAA observed water level with the nearest same-datum astronomical prediction across supported U.S. coast desks.
77checking sources
Los Angeles
Harbor water levels, swell windows and sunset-friendly coastal timing.
NOAA 9410660NDBC 46222
76checking sources
Monterey
A strong mix of tidepool, photography and marine-wildlife signals.
NOAA 9413450NDBC 46042
75checking sources
San Francisco
Observed-vs-predicted water levels, large tidal range and winter surf events.
NOAA 9414290NDBC 46026
74checking sources
Astoria
Large Pacific swell signals meet a strongly tidal estuary.
NOAA 9439040NDBC 46029
73checking sources
Seattle
Tidal extremes and weather windows across Puget Sound.
NOAA 9447130NDBC 46088
72checking sources
Honolulu
Warm-water conditions, swell pulses and year-round coastal viewing.
NOAA 1612340NDBC 51201
71checking sources
Key West
Compact tide range, warm water and weather-driven trip quality.
NOAA 8724580NDBC 42097
Use the score as a filter, not an all-clear.Official warnings, local closures, surf conditions and access rules always take priority.
Why watch the difference?
The astronomical tide is only one part of measured water level. Wind, pressure, river flow and ocean setup can move the gauge away from its prediction. The anomaly page makes that difference visible without relabeling it as a hazard.