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| Buoy 46012 Half Moon Bay
Longitude = 122.70W Latitude = 37.45N
FAQs | | Current Swell & Surf Analysis | | Buoy 46012 | | 12:00:00 (GMT) on 02/27 | | Sea Height: | 7.4 ft | | Primary Swell Height: | 5.3 ft | | Primary Swell Period: | 8.3 secs | | Surf Height | 3.6 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) | | 02/27 | 12:00:00 | 7.4 | 5.3 se | 8.3 secs | 2.5 se | 12.5 secs | 0.9 se | 16.7secs | 3.6 -4.4 | 8.3 | | 02/27 | 11:00:00 | 6.7 | 4.8 se | 8.3 secs | 2.2 se | 12.4 secs | 0.9 se | 16.7secs | 3.2 -4.0 | 8.3 | | 02/27 | 10:00:00 | 8.6 | 6.8 se | 8.4 secs | 2.2 se | 12.4 secs | 0.8 se | 16.7secs | 4.6 -5.7 | 8.4 | | 02/27 | 09:00:00 | 8.1 | 6.1 se | 8.4 secs | 2.3 se | 12.2 secs | 1.2 se | 15.5secs | 4.1 -5.1 | 8.4 | | 02/27 | 08:00:00 | 8.0 | 5.8 se | 9.0 secs | 2.1 se | 12.2 secs | 1.3 se | 15.5secs | 4.2 -5.2 | 9.0 | | 02/27 | 07:00:00 | 8.4 | 6.3 se | 9.0 secs | 1.2 se | 14.0 secs | 2.8 se | 5.9secs | 4.5 -5.7 | 9.0 | | 02/27 | 06:00:00 | 8.3 | 6.0 se | 9.1 secs | 2.8 se | 12.3 secs | 2.7 se | 5.9secs | 4.4 -5.5 | 9.1 | | 02/27 | 05:00:00 | 8.8 | 6.0 se | 9.9 secs | 4.1 se | 6.7 secs | 1.8 se | 14.0secs | 4.7 -5.9 | 9.9 | | 02/27 | 04:00:00 | 9.1 | 6.3 se | 10.1 secs | 3.9 se | 6.7 secs | 1.8 se | 14.1secs | 5.0 -6.3 | 10.1 | | 02/27 | 03:00:00 | 8.6 | 6.4 se | 9.9 secs | 1.7 se | 14.1 secs | 3.4 se | 6.8secs | 5.0 -6.3 | 9.9 | | 02/27 | 02:00:00 | 9.6 | 7.3 se | 10.0 secs | 2.1 se | 13.5 secs | 3.5 se | 6.7secs | 5.8 -7.3 | 10.0 | | 02/27 | 01:00:00 | 9.5 | 6.8 se | 10.1 secs | 3.6 se | 6.8 secs | 1.7 se | 14.1secs | 5.5 -6.9 | 10.1 | | 02/27 | 00:00:00 | 9.6 | 6.9 se | 10.0 secs | 3.3 se | 6.7 secs | 1.5 se | 13.8secs | 5.6 -7.0 | 10.0 | | 02/26 | 23:00:00 | 8.5 | 5.8 se | 10.0 secs | 1.7 se | 13.6 secs | 3.3 se | 6.7secs | 4.7 -5.9 | 10.0 | | 02/26 | 22:00:00 | 8.8 | 6.9 se | 10.1 secs | 2.8 se | 14.2 secs | 1.4 se | 17.4secs | 5.6 -7.0 | 10.1 | | 02/26 | 21:00:00 | 8.5 | 5.9 se | 10.0 secs | 2.9 se | 14.2 secs | 2.9 se | 6.7secs | 4.7 -5.9 | 10.0 | | 02/26 | 20:00:00 | 7.8 | 5.6 se | 10.0 secs | 1.7 se | 13.5 secs | 3.0 se | 6.8secs | 4.4 -5.6 | 10.0 | | 02/26 | 19:00:00 | 7.3 | 5.2 se | 10.1 secs | 1.8 se | 13.4 secs | 2.9 se | 6.7secs | 4.2 -5.3 | 10.1 | | 02/26 | 18:00:00 | 8.1 | 6.0 se | 10.0 secs | 1.5 se | 13.3 secs | 2.9 se | 6.7secs | 4.8 -6.0 | 10.0 | | 02/26 | 17:00:00 | 7.2 | 4.9 se | 10.0 secs | 1.9 se | 13.6 secs | 3.3 se | 6.7secs | 3.9 -4.9 | 10.0 | | 02/26 | 16:00:00 | 8.1 | 5.4 se | 10.9 secs | 4.1 se | 7.8 secs | 1.2 se | 16.7secs | 4.8 -6.0 | 10.9 | | 02/26 | 15:00:00 | 8.1 | 6.6 se | 10.1 secs | 1.5 se | 13.1 secs | 2.8 se | 6.7secs | 5.3 -6.6 | 10.1 | | 02/26 | 14:00:00 | 8.3 | 5.8 se | 10.1 secs | 2.3 se | 14.1 secs | 3.4 se | 6.7secs | 4.7 -5.8 | 10.1 | | 02/26 | 13:00:00 | 8.0 | 5.3 se | 10.9 secs | 4.0 se | 7.7 secs | 1.0 se | 15.0secs | 4.7 -5.8 | 10.9 |
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 02/27 | | Combined Sea Height: | 10.8 ft | | Dominant Period: | 8.0 secs | | Wind Speed: | 25.4 kts | | Wind Gust: | 29.2 kts | | Wind Direction: | 320 degrees | | Barometric Pressure: | 1012.2 mbs | | Air Temperature: | 56.3 degrees | | Water Temperature: | 57.7 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) | | 02/27 | 11:00:00 | 10.8 | 8.0 | 25.4 | 29.2 | 320 | 1012.2 | 56.3 | 57.7 | | 02/27 | 10:00:00 | 9.8 | 8.0 | 23.4 | 29.2 | 320 | 1012.5 | 56.3 | 57.7 | | 02/27 | 09:00:00 | 12.8 | 8.0 | 25.4 | 31.2 | 320 | 1012.9 | 56.3 | 57.7 | | 02/27 | 08:00:00 | 11.8 | 9.0 | 27.3 | 35.1 | 320 | 1013.3 | 56.3 | 57.7 | | 02/27 | 07:00:00 | 11.8 | 8.0 | 27.3 | 33.1 | 320 | 1013.2 | 56.1 | 57.7 | | 02/27 | 06:00:00 | 12.5 | 9.0 | 29.2 | 37.0 | 320 | 1013.8 | 56.1 | 57.7 | | 02/27 | 05:00:00 | 12.1 | 9.0 | 29.2 | 35.1 | 320 | 1013.6 | 56.5 | 57.7 | | 02/27 | 04:00:00 | 12.8 | 10.0 | 29.2 | 35.1 | 320 | 1013.8 | 56.8 | 57.7 | | 02/27 | 03:00:00 | 12.8 | 10.0 | 29.2 | 33.1 | 310 | 1013.2 | 57.0 | 57.7 | | 02/27 | 02:00:00 | 12.5 | 9.0 | 29.2 | 35.1 | 320 | 1014.0 | 56.8 | 57.9 | | 02/27 | 01:00:00 | 13.8 | 9.0 | 29.2 | 37.0 | 330 | 1013.8 | 57.0 | 57.9 | | 02/27 | 00:00:00 | 13.4 | 8.0 | 31.2 | 41.0 | 320 | 1013.8 | 56.8 | 57.9 | | 02/26 | 23:00:00 | 13.4 | 10.0 | 27.3 | 33.1 | 330 | 1014.8 | 56.5 | 57.9 | | 02/26 | 22:00:00 | 12.1 | 10.0 | 27.3 | 35.1 | 330 | 1015.3 | 56.5 | 57.9 | | 02/26 | 21:00:00 | 12.1 | 10.0 | 23.4 | 29.2 | 330 | 1015.8 | 56.7 | 57.9 | | 02/26 | 20:00:00 | 11.8 | 9.0 | 23.4 | 29.2 | 330 | 1016.3 | 56.7 | 57.9 | | 02/26 | 19:00:00 | 11.2 | 10.0 | 23.4 | 29.2 | 330 | 1017.4 | 57.0 | 57.9 | | 02/26 | 18:00:00 | 10.5 | 10.0 | 23.4 | 29.2 | 330 | 1018.2 | 57.0 | 57.9 | | 02/26 | 17:00:00 | 11.5 | 9.0 | 19.5 | 25.4 | 330 | 1018.4 | 57.0 | 57.7 | | 02/26 | 16:00:00 | 10.5 | 9.0 | 17.6 | 23.4 | 340 | 1018.1 | 57.2 | 57.7 | | 02/26 | 15:00:00 | 11.5 | 10.0 | 17.6 | 23.4 | 330 | 1018.0 | 56.8 | 57.7 | | 02/26 | 14:00:00 | 11.5 | 10.0 | 21.4 | 25.4 | 330 | 1017.1 | 56.8 | 57.7 | | 02/26 | 13:00:00 | 11.8 | 10.0 | 21.4 | 27.3 | 340 | 1017.1 | 57.0 | 57.7 | | 02/26 | 12:00:00 | 11.5 | 10.0 | 23.4 | 29.2 | 340 | 1017.2 | 57.0 | 57.7 |
| 000104576 ___0.275786 | |
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