Marine buoy
HALF MOON BAY - 24NM SSW of San Francisco, CA 46012
HALF MOON BAY - 24NM SSW of San Francisco, CA is a wave station in United States integrated into SwellOracle from NOAA/NDBC. This page summarizes its position, source and available variables for checking surf conditions: 3.6 ft, 7 s.
Technical details for HALF MOON BAY - 24NM SSW of San Francisco, CA
Use these details to verify the station identity, location, source and timestamp before comparing its values with another buoy or model.
- Station name
- HALF MOON BAY - 24NM SSW of San Francisco, CA
- Station identifier
- 46012
- Country or area
- United States
- Coordinates
- 37° 21' 21.6" N, 122° 52' 51.6" O
- Source and provider
- NOAA/NDBC
- Source type
- Wave station
- Data license
- noaa.gov/disclaimer
- Latest source observation
- 2026-07-15T01:00:00 UTC
- Published data fields
- Wave height, Dominant wave period, Average wave period, Water temperature
How to use this reading
HALF MOON BAY - 24NM SSW of San Francisco, CA 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
Frequently asked questions about this station
What is HALF MOON BAY - 24NM SSW of San Francisco, CA?
HALF MOON BAY - 24NM SSW of San Francisco, CA is a physical or reference marine station for United States, identified as 46012 and published in SwellOracle with source attribution.
Where does the data for HALF MOON BAY - 24NM SSW of San Francisco, CA come from?
The source shown for this page is NOAA/NDBC. SwellOracle preserves the station identifier and distinguishes measured observations from model estimates.
Does HALF MOON BAY - 24NM SSW of San Francisco, CA 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 HALF MOON BAY - 24NM SSW of San Francisco, CA 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.