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| Buoy 46012 Half Moon Bay
Longitude = 122.70W Latitude = 37.45N
FAQs | | Current Swell & Surf Analysis | | Buoy 46012 | | 11:00:00 (GMT) on 02/09 | | Sea Height: | 6.2 ft | | Primary Swell Height: | 3.5 ft | | Primary Swell Period: | 14.2 secs | | Surf Height | 4.0 ft |
Date
(Month/Day) | Time
(GMT) | Sea Height
[>5 secs]
(ft) | Primary Swell | Secondary Swell | Tertiary Swell | Estimated Surf Height (ft) | Primary Period (secs) | Height
(ft) | Period
(secs) | Height
(ft) | Period
(secs) | Height
(ft) | Period
(secs) | | 02/09 | 11:00:00 | 6.2 | 3.5 se | 14.2 secs | 3.0 se | 10.2 secs | 1.5 se | 17.3secs | 4.0 -5.0 | 14.2 | | 02/09 | 10:00:00 | 6.3 | 4.6 se | 14.2 secs | 3.1 se | 10.2 secs | 1.7 se | 6.7secs | 5.3 -6.6 | 14.2 | | 02/09 | 09:00:00 | 5.9 | 4.0 se | 14.2 secs | 3.6 se | 10.2 secs | 1.7 se | 17.4secs | 4.6 -5.7 | 14.2 | | 02/09 | 08:00:00 | 6.2 | 4.6 se | 14.2 secs | 3.4 se | 10.2 secs | 1.7 se | 6.7secs | 5.2 -6.5 | 14.2 | | 02/09 | 07:00:00 | 7.5 | 5.6 se | 14.4 secs | 4.6 se | 11.3 secs | 2.0 se | 7.8secs | 6.5 -8.1 | 14.4 | | 02/09 | 06:00:00 | 5.8 | 4.1 se | 14.2 secs | 3.2 se | 10.2 secs | 1.8 se | 17.4secs | 4.7 -5.9 | 14.2 | | 02/09 | 05:00:00 | 6.7 | 4.8 se | 14.4 secs | 4.4 se | 11.3 secs | 2.5 se | 17.4secs | 5.5 -6.8 | 14.4 | | 02/09 | 04:00:00 | 7.1 | 5.1 se | 14.5 secs | 4.5 se | 11.3 secs | 2.4 se | 7.8secs | 5.9 -7.3 | 14.5 | | 02/09 | 03:00:00 | 7.5 | 4.9 se | 14.6 secs | 4.7 se | 11.2 secs | 2.5 se | 7.7secs | 5.7 -7.1 | 14.6 | | 02/09 | 02:00:00 | 7.8 | 5.5 se | 14.4 secs | 5.2 se | 11.3 secs | 3.0 se | 17.6secs | 6.3 -7.8 | 14.4 | | 02/09 | 01:00:00 | 7.0 | 4.1 se | 16.3 secs | 4.6 se | 12.6 secs | 3.4 se | 9.3secs | 5.4 -6.7 | 16.3 | | 02/09 | 00:00:00 | 8.1 | 5.5 se | 14.5 secs | 3.4 se | 17.7 secs | 5.1 se | 11.3secs | 6.4 -8.0 | 14.5 | | 02/08 | 23:00:00 | 7.8 | 4.7 se | 16.6 secs | 5.1 se | 12.6 secs | 2.0 se | 20.0secs | 6.3 -7.9 | 16.6 | | 02/08 | 22:00:00 | 7.6 | 4.9 se | 14.4 secs | 5.2 se | 11.3 secs | 3.2 se | 17.8secs | 5.6 -7.0 | 14.4 | | 02/08 | 21:00:00 | 9.7 | 6.8 se | 14.3 secs | 4.1 se | 17.9 secs | 5.5 se | 10.3secs | 7.8 -9.7 | 14.3 | | 02/08 | 20:00:00 | 9.3 | 5.7 se | 16.8 secs | 6.2 se | 12.5 secs | 2.5 se | 20.0secs | 7.6 -9.5 | 16.8 | | 02/08 | 19:00:00 | 9.7 | 6.5 se | 16.8 secs | 6.2 se | 12.6 secs | 3.0 se | 20.0secs | 8.8 -11.0 | 16.8 | | 02/08 | 18:00:00 | 10.9 | 7.7 se | 16.6 secs | 7.4 se | 12.7 secs | 3.1 se | 20.0secs | 10.2 -12.8 | 16.6 | | 02/08 | 17:00:00 | 9.5 | 6.0 se | 16.6 secs | 6.5 se | 12.7 secs | 2.4 se | 20.0secs | 8.0 -9.9 | 16.6 | | 02/08 | 16:00:00 | 8.7 | 5.6 se | 14.4 secs | 3.4 se | 17.9 secs | 4.5 se | 10.2secs | 6.4 -8.0 | 14.4 | | 02/08 | 15:00:00 | 10.8 | 7.5 se | 16.9 secs | 6.9 se | 12.7 secs | 3.6 se | 20.0secs | 10.1 -12.7 | 16.9 | | 02/08 | 14:00:00 | 9.6 | 6.8 se | 14.4 secs | 4.4 se | 18.0 secs | 4.1 se | 10.3secs | 7.8 -9.8 | 14.4 | | 02/08 | 13:00:00 | 10.5 | 7.7 se | 14.6 secs | 5.4 se | 17.7 secs | 6.1 se | 11.5secs | 9.0 -11.2 | 14.6 | | 02/08 | 12:00:00 | 10.3 | 6.3 se | 16.8 secs | 5.9 se | 12.7 secs | 2.8 se | 20.0secs | 8.4 -10.5 | 16.8 |
Surf Height Scale| Size Scale (ft) | | >1 | 1-2 | 2-3 | 3-4 | 4-5 | 5-6 | 6-7 | 7-8 | 8-9 | 9-10 | 10-11 | 11-12 | 12-13 | 13-14 | 14-15 | 15-20 | 20-25 | 25-30 | 30-35 | 35-40 | 40-45 | 45+ |
Swell Period Scal| Period Scale (secs) | | 6.3 | 6.7 | 7.1 | 7.7 | 8.3 | 9.1 | 10 | 11.1 | 12.5 | 14.3 | 16.7 | 20 | 25 | 33.3 |
| Current Weather Conditions | | Buoy 46012 | | 11:00:00 (GMT) on 02/09 | | Combined Sea Height: | 8.2 ft | | Dominant Period: | 14.0 secs | | Wind Speed: | 19.5 kts | | Wind Gust: | 23.4 kts | | Wind Direction: | 260 degrees | | Barometric Pressure: | 0.0 mbs | | Air Temperature: | 50.5 degrees | | Water Temperature: | 32.0 degrees |
24 Hour Weather Observation
Date
(Month/Day) | Time
(GMT) | Combined Sea Height (ft) | Dominant Period
(secs) | Wind Speed
(kts) | Gust
(kts) | Wind Direction
(degrees) | Barometric Pressure
(mbs) | Air Temperature
(F) | Water Temperature
(F) | | 02/09 | 11:00:00 | 8.2 | 14.0 | 19.5 | 23.4 | 260 | 0.0 | 50.5 | 32.0 | | 02/09 | 10:00:00 | 7.2 | 14.0 | 17.6 | 21.4 | 270 | 0.0 | 50.5 | 32.0 | | 02/09 | 09:00:00 | 7.2 | 14.0 | 21.4 | 27.3 | 270 | 0.0 | 51.6 | 32.0 | | 02/09 | 08:00:00 | 6.6 | 14.0 | 17.6 | 21.4 | 280 | 0.0 | 51.1 | 32.0 | | 02/09 | 07:00:00 | 6.9 | 14.0 | 9.8 | 11.7 | 220 | 0.0 | 52.3 | 32.0 | | 02/09 | 06:00:00 | 7.9 | 14.0 | 15.6 | 17.6 | 150 | 0.0 | 51.3 | 32.0 | | 02/09 | 05:00:00 | 6.2 | 14.0 | 17.6 | 21.4 | 150 | 0.0 | 49.8 | 32.0 | | 02/09 | 04:00:00 | 6.9 | 14.0 | 15.6 | 19.5 | 150 | 0.0 | 49.5 | 32.0 | | 02/09 | 03:00:00 | 7.2 | 14.0 | 13.7 | 15.6 | 140 | 0.0 | 48.4 | 32.0 | | 02/09 | 02:00:00 | 7.5 | 14.0 | 9.8 | 11.7 | 150 | 0.0 | 49.3 | 32.0 | | 02/09 | 01:00:00 | 7.9 | 14.0 | 9.8 | 13.7 | 160 | 0.0 | 49.8 | 32.0 | | 02/09 | 00:00:00 | 7.2 | 11.0 | 5.8 | 9.8 | 150 | 0.0 | 50.7 | 32.0 | | 02/08 | 23:00:00 | 8.5 | 14.0 | 1.9 | 3.9 | 190 | 0.0 | 51.1 | 32.0 | | 02/08 | 22:00:00 | 8.2 | 11.0 | 5.8 | 7.8 | 270 | 0.0 | 52.3 | 32.0 | | 02/08 | 21:00:00 | 7.9 | 11.0 | 7.8 | 9.8 | 280 | 0.0 | 52.5 | 32.0 | | 02/08 | 20:00:00 | 10.2 | 13.0 | 7.8 | 11.7 | 300 | 0.0 | 52.7 | 32.0 | | 02/08 | 19:00:00 | 9.5 | 17.0 | 7.8 | 11.7 | 290 | 0.0 | 52.5 | 32.0 | | 02/08 | 18:00:00 | 10.2 | 17.0 | 7.8 | 11.7 | 300 | 0.0 | 52.9 | 32.0 | | 02/08 | 17:00:00 | 11.5 | 17.0 | 11.7 | 13.7 | 300 | 0.0 | 52.3 | 32.0 | | 02/08 | 16:00:00 | 9.8 | 13.0 | 9.8 | 13.7 | 300 | 0.0 | 52.3 | 32.0 | | 02/08 | 15:00:00 | 9.2 | 13.0 | 11.7 | 15.6 | 320 | 0.0 | 51.8 | 32.0 | | 02/08 | 14:00:00 | 11.2 | 17.0 | 13.7 | 17.6 | 300 | 0.0 | 52.3 | 32.0 | | 02/08 | 13:00:00 | 10.2 | 13.0 | 13.7 | 17.6 | 310 | 0.0 | 52.0 | 32.0 | | 02/08 | 12:00:00 | 10.8 | 17.0 | 13.7 | 19.5 | 310 | 0.0 | 52.2 | 32.0 |
| 000059903 ___0.630341 | |
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