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| Buoy 46012 Half Moon Bay
Longitude = 122.70W Latitude = 37.45N
FAQs | | Current Swell & Surf Analysis | | Buoy 46012 | | 15:00:00 (GMT) on 01/30 | | Sea Height: | 7.1 ft | | Primary Swell Height: | 4.6 ft | | Primary Swell Period: | 16.4 secs | | Surf Height | 6.0 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) | | 01/30 | 15:00:00 | 7.1 | 4.6 se | 16.4 secs | 3.1 se | 12.8 secs | 3.4 se | 7.7secs | 6.0 -7.5 | 16.4 | | 01/30 | 14:00:00 | 5.9 | 3.6 se | 16.5 secs | 2.6 se | 12.5 secs | 2.6 se | 8.3secs | 4.7 -5.9 | 16.5 | | 01/30 | 13:00:00 | 6.7 | 4.8 se | 16.3 secs | 2.8 se | 12.8 secs | 2.9 se | 8.3secs | 6.3 -7.8 | 16.3 | | 01/30 | 12:00:00 | 5.3 | 2.5 se | 16.9 secs | 2.1 se | 12.4 secs | 1.1 se | 20.0secs | 3.4 -4.2 | 16.9 | | 01/30 | 11:00:00 | 5.1 | 3.3 se | 16.6 secs | 2.4 se | 12.7 secs | 1.0 se | 20.0secs | 4.3 -5.4 | 16.6 | | 01/30 | 10:00:00 | 6.3 | 4.6 se | 17.4 secs | 2.3 se | 12.5 secs | 2.7 se | 7.6secs | 6.4 -8.0 | 17.4 | | 01/30 | 09:00:00 | 5.9 | 4.1 se | 17.0 secs | 1.5 se | 20.0 secs | 2.1 se | 12.6secs | 5.5 -6.9 | 17.0 | | 01/30 | 08:00:00 | 6.4 | 4.7 se | 18.0 secs | 2.4 se | 12.3 secs | 2.7 se | 7.6secs | 6.8 -8.4 | 18.0 | | 01/30 | 07:00:00 | 5.8 | 3.7 se | 17.7 secs | 2.5 se | 12.2 secs | 1.8 se | 9.1secs | 5.3 -6.6 | 17.7 | | 01/30 | 06:00:00 | 5.7 | 3.6 se | 17.6 secs | 2.4 se | 12.3 secs | 2.5 se | 7.1secs | 5.1 -6.4 | 17.6 | | 01/30 | 05:00:00 | 5.5 | 4.0 se | 17.2 secs | 2.2 se | 12.4 secs | 2.4 se | 6.7secs | 5.5 -6.8 | 17.2 | | 01/30 | 04:00:00 | 5.0 | 3.5 se | 16.7 secs | 2.2 se | 12.4 secs | 0.8 se | 20.0secs | 4.7 -5.8 | 16.7 | | 01/30 | 03:00:00 | 5.2 | 3.9 se | 17.5 secs | 2.1 se | 12.4 secs | 1.3 se | 9.2secs | 5.5 -6.8 | 17.5 | | 01/30 | 02:00:00 | 4.6 | 3.1 se | 16.9 secs | 2.3 se | 12.4 secs | 0.9 se | 20.0secs | 4.2 -5.3 | 16.9 | | 01/30 | 01:00:00 | 5.1 | 3.6 se | 17.2 secs | 2.6 se | 12.5 secs | 1.7 se | 9.2secs | 5.0 -6.3 | 17.2 | | 01/30 | 00:00:00 | 5.7 | 4.4 se | 18.0 secs | 2.7 se | 12.3 secs | 1.7 se | 9.2secs | 6.3 -7.9 | 18.0 | | 01/29 | 23:00:00 | 4.8 | 3.3 se | 18.1 secs | 2.4 se | 11.2 secs | 1.3 se | 7.8secs | 4.8 -6.0 | 18.1 | | 01/29 | 22:00:00 | 5.2 | 3.8 se | 17.4 secs | 2.8 se | 12.4 secs | 1.7 se | 9.3secs | 5.3 -6.7 | 17.4 | | 01/29 | 21:00:00 | 4.5 | 2.6 se | 17.1 secs | 3.0 se | 12.4 secs | 1.6 se | 9.2secs | 3.6 -4.5 | 17.1 | | 01/29 | 20:00:00 | 5.6 | 4.4 se | 18.4 secs | 3.6 se | 15.0 secs | 2.6 se | 11.3secs | 6.5 -8.1 | 18.4 | | 01/29 | 19:00:00 | 5.0 | 3.7 se | 17.6 secs | 2.7 se | 12.4 secs | 1.6 se | 9.4secs | 5.2 -6.4 | 17.6 | | 01/29 | 18:00:00 | 5.7 | 4.4 se | 18.5 secs | 3.5 se | 14.9 secs | 2.8 se | 11.3secs | 6.4 -8.1 | 18.5 | | 01/29 | 17:00:00 | 4.5 | 2.4 se | 17.4 secs | 3.1 se | 12.3 secs | 1.4 se | 9.3secs | 3.4 -4.2 | 17.4 | | 01/29 | 16:00:00 | 5.0 | 3.5 se | 17.8 secs | 2.8 se | 14.4 secs | 2.8 se | 11.4secs | 5.0 -6.2 | 17.8 |
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 | | 15:00:00 (GMT) on 01/30 | | Combined Sea Height: | 8.5 ft | | Dominant Period: | 8.0 secs | | Wind Speed: | 13.7 kts | | Wind Gust: | 17.6 kts | | Wind Direction: | 330 degrees | | Barometric Pressure: | 1016.1 mbs | | Air Temperature: | 55.6 degrees | | Water Temperature: | 58.3 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) | | 01/30 | 15:00:00 | 8.5 | 8.0 | 13.7 | 17.6 | 330 | 1016.1 | 55.6 | 58.3 | | 01/30 | 14:00:00 | 9.2 | 16.0 | 15.6 | 19.5 | 330 | 1016.1 | 55.8 | 58.3 | | 01/30 | 13:00:00 | 7.9 | 16.0 | 17.6 | 21.4 | 330 | 1016.2 | 55.9 | 58.3 | | 01/30 | 12:00:00 | 8.9 | 16.0 | 17.6 | 21.4 | 330 | 1016.4 | 55.9 | 58.3 | | 01/30 | 11:00:00 | 7.5 | 7.0 | 19.5 | 23.4 | 320 | 1016.8 | 55.9 | 58.3 | | 01/30 | 10:00:00 | 6.9 | 16.0 | 19.5 | 21.4 | 330 | 1017.2 | 55.9 | 58.3 | | 01/30 | 09:00:00 | 7.9 | 17.0 | 17.6 | 21.4 | 330 | 1017.6 | 55.9 | 58.3 | | 01/30 | 08:00:00 | 7.5 | 17.0 | 17.6 | 19.5 | 330 | 1017.8 | 55.8 | 58.3 | | 01/30 | 07:00:00 | 8.2 | 17.0 | 17.6 | 21.4 | 330 | 1018.0 | 55.9 | 58.3 | | 01/30 | 06:00:00 | 7.5 | 17.0 | 17.6 | 21.4 | 330 | 1018.2 | 56.1 | 58.3 | | 01/30 | 05:00:00 | 7.5 | 17.0 | 17.6 | 21.4 | 330 | 1018.1 | 56.5 | 58.5 | | 01/30 | 04:00:00 | 7.2 | 17.0 | 17.6 | 21.4 | 330 | 1018.2 | 56.7 | 58.5 | | 01/30 | 03:00:00 | 6.6 | 17.0 | 17.6 | 21.4 | 330 | 1018.5 | 56.5 | 58.5 | | 01/30 | 02:00:00 | 6.6 | 17.0 | 17.6 | 23.4 | 330 | 1018.4 | 56.3 | 58.6 | | 01/30 | 01:00:00 | 6.2 | 17.0 | 17.6 | 21.4 | 330 | 1018.2 | 56.8 | 58.6 | | 01/30 | 00:00:00 | 6.6 | 17.0 | 17.6 | 19.5 | 320 | 1018.1 | 57.0 | 58.6 | | 01/29 | 23:00:00 | 6.9 | 17.0 | 17.6 | 19.5 | 330 | 1018.1 | 56.8 | 58.8 | | 01/29 | 22:00:00 | 6.2 | 17.0 | 17.6 | 21.4 | 330 | 1018.4 | 56.8 | 58.8 | | 01/29 | 21:00:00 | 6.2 | 17.0 | 19.5 | 23.4 | 320 | 1018.6 | 56.7 | 58.8 | | 01/29 | 20:00:00 | 5.6 | 17.0 | 13.7 | 17.6 | 330 | 1019.1 | 56.8 | 58.8 | | 01/29 | 19:00:00 | 6.6 | 19.0 | 13.7 | 15.6 | 330 | 1020.1 | 57.2 | 58.8 | | 01/29 | 18:00:00 | 5.9 | 19.0 | 11.7 | 13.7 | 340 | 1020.5 | 57.0 | 58.8 | | 01/29 | 17:00:00 | 6.6 | 19.0 | 11.7 | 13.7 | 340 | 1020.5 | 57.0 | 58.8 | | 01/29 | 16:00:00 | 5.6 | 11.0 | 11.7 | 13.7 | 350 | 1020.3 | 56.8 | 58.8 |
| 000104064 ___0.228258 | |
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