Station 46012 - Search and Rescue Data

HALF MOON BAY - 24NM SSW of San Francisco, CA
37.356 N 122.881 W (37°21'20" N 122°52'51" W)

Previous data provided by Saildrone for this station are available at:
SD-1073 (1801589) -- 0000Z, 9/1/23 to 2359Z, 4/25/24 and 2000Z, 5/8/25 to 0000Z, 8/4/25
SD-1077 (1801593) -- 1200Z, 7/27/24 to 1959Z, 5/8/25
SD-1063 (1801583) -- 0000Z, 4/26/24 to 0330Z, 7/24/24.

Average surface winds - six hour block.

Date (UTC)	Average Wind Dir (True)	Average Wind Spd (Knots)	Wind Obs	Average Seas (Feet)	Wave Obs	Air Temp. (Degrees F.)	Air Temp. Obs	Water Temp. (Degrees F.)	Water Temp. Obs
2026-06-27 1800Z	294	12	6	3	6	58	6	59	6
2026-06-27 1200Z	280	9	6	2	6	59	6	60	6
2026-06-27 0600Z	289	8	6	2	6	59	6	61	6
2026-06-27 0000Z	268	10	6	3	6	60	6	61	6
2026-06-26 1800Z	284	11	6	4	6	59	6	61	6
2026-06-26 1200Z	297	13	6	5	6	58	6	60	6
2026-06-26 0600Z	294	14	6	5	6	57	6	61	6
2026-06-26 0000Z	301	11	6	4	6	57	6	61	6
2026-06-25 1800Z	246	6	6	3	6	57	6	60	6
2026-06-25 1200Z	242	4	6	3	6	57	6	60	6
2026-06-25 0600Z	278	6	6	3	6	57	6	60	6
2026-06-25 0000Z	261	6	6	3	6	58	6	60	6
2026-06-24 1800Z	221	5	6	3	6	56	6	60	6
2026-06-24 1200Z	242	4	6	3	6	56	6	60	6
2026-06-24 0600Z	290	7	6	3	6	56	6	60	6
2026-06-24 0000Z	276	5	6	4	6	58	6	60	6
2026-06-23 1800Z	277	4	6	3	6	56	6	60	6
2026-06-23 1200Z	281	5	6	3	6	55	6	59	6
2026-06-23 0600Z	295	7	6	3	6	56	6	59	6
2026-06-23 0000Z	287	8	6	4	6	57	6	59	6

The six-hour averages are calculated as follows:

The 0000Z average uses data from 2100Z to 0259Z.
The 0600Z average uses data from 0300Z to 0859Z.
The 1200Z average uses data from 0900Z to 1459Z.
The 1800Z average uses data from 1500Z to 2059Z.

Display all available SAR data (up to 45 days)

Display 46012 station page

NDBC on Facebook

NOAA on LinkedIn

NDBC on Twitter