78checking sources
San Diego
Tidepools, winter king tides and South Coast wildlife pulses.
NOAA 9410170NDBC 46258
Open coast desk →◒ Tidepooling
Find unusually low tides that occur in useful daylight, then check live swell and weather before going.
77checking sources
Los Angeles
Harbor water levels, swell windows and sunset-friendly coastal timing.
NOAA 9410660NDBC 46222
Open coast desk →76checking sources
Monterey
A strong mix of tidepool, photography and marine-wildlife signals.
NOAA 9413450NDBC 46042
Open coast desk →75checking sources
San Francisco
Observed-vs-predicted water levels, large tidal range and winter surf events.
NOAA 9414290NDBC 46026
Open coast desk →74checking sources
Astoria
Large Pacific swell signals meet a strongly tidal estuary.
NOAA 9439040NDBC 46029
Open coast desk →73checking sources
Seattle
Tidal extremes and weather windows across Puget Sound.
NOAA 9447130NDBC 46088
Open coast desk →72checking sources
Honolulu
Warm-water conditions, swell pulses and year-round coastal viewing.
NOAA 1612340NDBC 51201
Open coast desk →71checking sources
Key West
Compact tide range, warm water and weather-driven trip quality.
NOAA 8724580NDBC 42097
Open coast desk →Use the score as a filter, not an all-clear.Official warnings, local closures, surf conditions and access rules always take priority.
How this activity signal is built
Find unusually low tides that occur in useful daylight, then check live swell and weather before going.
The detail page for every location exposes the underlying tide, weather, buoy, alert and observation components so you can inspect the inputs instead of trusting a mystery number.