TideAhead
CaliforniaNOAA 9414413

Seaplane Harbor Tides & Coastal Conditions

Official tide predictions, weather observations and forecasts, marine-grid context, astronomy, and jurisdiction-specific rules for this NOAA station.

Partial official dataUpdated 1:37 AM PDT

Current Conditions

Tide predictions are relative to MLLW. NWS point and marine-grid forecasts can differ at exposed shorelines.

Estimated tide now
—
Official tide prediction unavailable
Upcoming tides
Unavailable
Check the official station forecast.
Current Weather
59°F

Clear

Observed

W 5 mph

Model
Tide Forecast
NOAA Station 9414413 · MLLW datum · local time
Subordinate station · NOAA reference station 9414290
unavailableOfficial NOAA curve

Current tide predictions are unavailable. Use the official NOAA station link in Sources and confidence.

Weather, Light & Marine

Conditions that affect shoreline access, small craft, fishing and surf.

Air

Temperature59°FObserved

Humidity88%Observed

Pressure1012 mbObserved

Wind

SustainedW 5 mphModel

Gusts9 mphModel

Rain chance0%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water71.6°FObservedNOAA Alameda · 10.4 mi Away
Sun & Moon

Sunrise6:17 AM

Sunset8:14 PM

MoonWaning Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Wed, Aug 5, 20261:00 AMPartly Cloudy61°FW 5 mph9 mph0%
Wed, Aug 5, 20262:00 AMSlight Chance Drizzle61°FW 5 mph8 mph1%
Wed, Aug 5, 20263:00 AMSlight Chance Drizzle61°FW 5 mph8 mph1%
Wed, Aug 5, 20264:00 AMSlight Chance Drizzle60°FWSW 3 mph8 mph1%
Wed, Aug 5, 20265:00 AMSlight Chance Drizzle60°FWSW 3 mph8 mph1%
Wed, Aug 5, 20266:00 AMSlight Chance Drizzle59°FWSW 3 mph7 mph1%
Wed, Aug 5, 20267:00 AMSlight Chance Drizzle59°FWSW 3 mph7 mph1%
Wed, Aug 5, 20268:00 AMMostly Cloudy60°FWSW 5 mph7 mph1%
Wed, Aug 5, 20269:00 AMPartly Sunny61°FW 5 mph7 mph1%
Wed, Aug 5, 202610:00 AMMostly Sunny63°FN 5 mph8 mph1%
Wed, Aug 5, 202611:00 AMSunny64°FN 6 mph9 mph0%
Wed, Aug 5, 202612:00 PMSunny65°FNW 6 mph10 mph0%

Fishing, Crabbing & Surfing Analysis

Transparent environmental scores based on tide, wind and marine conditions. These are not user reports, catch guarantees or substitutes for official closures and safety guidance.

23/100 · Poor
Surfing
Offshore model guidance with nearshore uncertainty.

Best planning window

Compare swell direction, local wind and tide before leaving

  • Limited swell0.0 ft NWS forecast waves
  • Short period0s dominant period
  • Nearshore uncertaintyOffshore model conditions are not the same as breaking-wave height at this beach
California Department of Fish and Wildlife fishing rulesCalifornia · state or territoryNOAA Fisheries federal recreational fishing resourcesU.S. federal waters · federalNational Weather Service rip-current safetyUnited States · safety
Nearby NOAA Tide Stations
Official station locations from the national NOAA CO-OPS tide-prediction catalog.

Point San Bruno

NOAA 9414402 · CA

1.0 mi

Oyster Point Marina

NOAA 9414392 · CA

2.0 mi

South San Francisco

NOAA 9414391 · CA

2.1 mi

Coyote Point Marina

NOAA 9414449 · CA

4.9 mi

Hunters Point

NOAA 9414358 · CA

6.6 mi

San Mateo Bridge (west end)

NOAA 9414458 · CA

8.1 mi

Sources And Confidence

National Weather Service observation and hourly forecastofficial-forecast

Fetched Wed, Aug 5 at 1:37 AM

National Weather Service coastal marine gridofficial-forecast

Fetched Wed, Aug 5 at 1:37 AM

NOAA CO-OPS water temperature at Alamedaobserved

Fetched Wed, Aug 5 at 1:37 AM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Wed, Aug 5 at 1:37 AM

Not for navigation. Conditions can change faster than source update intervals. Always check local warnings, closures and on-site conditions.