Marine buoy

San Francisco Bar, CA (142) 46237

United States United States Wave buoy

San Francisco Bar, CA (142) is a wave buoy in United States integrated into SwellOracle from NOAA/NDBC. This page summarizes its position, source and available variables for checking surf conditions: 4.3 ft, 13 s, SW.

Technical details for San Francisco Bar, CA (142)

Use these details to verify the station identity, location, source and timestamp before comparing its values with another buoy or model.

Station name
San Francisco Bar, CA (142)
Station identifier
46237
Country or area
United States
Coordinates
37° 47' 16.8" N, 122° 38' 2.4" O
Source and provider
NOAA/NDBC
Source type
Wave buoy
Latest source observation
2026-07-15T01:30:00 UTC
Published data fields
Wave height, Dominant wave period, Average wave period, Wave direction, Water temperature

How to use this reading

San Francisco Bar, CA (142) helps confirm whether swell energy is reaching the United States area. Higher height with a longer period usually means more organized energy, while direction determines which coastlines receive that swell best.

For surf decisions, compare height, period and direction with your beach's local exposure. If the station does not report a variable, use the app to compare it with nearby model points.

Observation history not available yet

This station is listed as a physical reference, but it is not part of the current history capture set. SwellOracle only shows charts after enough reusable observations have been stored.

Regional coverage

View San Francisco Bay buoys

Frequently asked questions about this station

What is San Francisco Bar, CA (142)?

San Francisco Bar, CA (142) is a physical or reference marine station for United States, identified as 46237 and published in SwellOracle with source attribution.

Where does the data for San Francisco Bar, CA (142) come from?

The source shown for this page is NOAA/NDBC. SwellOracle preserves the station identifier and distinguishes measured observations from model estimates.

Does San Francisco Bar, CA (142) have a current reading?

A source observation is available and its timestamp is displayed on this page. Always check that time before using the values because marine feeds update on different schedules.

Why does San Francisco Bar, CA (142) have or not have a history chart?

This station is not yet in the history capture set. SwellOracle does not create a chart until a reusable, correctly identified series exists.

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