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Buoy 46012 Half Moon Bay
Longitude = 122.70W Latitude = 37.45N
FAQs

 

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)
Measurement Date/Time (GMT)05/28
11:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
11:00:00 (GMT) on 05/28
Sea Height:3.1 ft
Primary Swell Height: 2.3 ft
Primary Swell Period: 12.4 secs
Surf Height2.3 ft

 

24 Hour Observation

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)
05/2811:00:003.1 2.3 se12.4 secs1.4 se16.0 secs1.7 se 9.2secs2.3 -2.9 12.4
05/2810:00:003.1 2.1 se14.0 secs1.9 se10.2 secs0.9 se 17.9secs2.4 -3.0 14.0
05/2809:00:002.8 2.0 se14.0 secs1.5 se10.2 secs0.6 se 17.6secs2.2 -2.8 14.0
05/2808:00:003.2 2.3 se12.7 secs1.7 se16.0 secs1.7 se 9.2secs2.4 -3.0 12.7
05/2807:00:002.9 2.0 se12.6 secs1.3 se15.8 secs1.6 se 9.2secs2.0 -2.5 12.6
05/2806:00:003.2 2.2 se12.6 secs1.5 se15.8 secs1.8 se 9.3secs2.2 -2.7 12.6
05/2805:00:003.0 2.1 se12.6 secs1.3 se15.8 secs1.6 se 9.2secs2.2 -2.7 12.6
05/2804:00:003.4 2.3 se12.6 secs1.9 se9.2 secs0.7 se 17.4secs2.4 -2.9 12.6
05/2803:00:003.6 2.5 se12.6 secs1.9 se9.2 secs0.8 se 17.2secs2.5 -3.2 12.6
05/2802:00:003.1 2.0 se14.3 secs1.9 se11.2 secs0.9 se 17.6secs2.2 -2.8 14.3
05/2801:00:003.3 2.2 se12.6 secs1.4 se15.7 secs1.9 se 9.1secs2.2 -2.7 12.6
05/2800:00:003.1 2.0 se13.9 secs1.7 se10.0 secs0.5 se 17.3secs2.3 -2.8 13.9
05/2723:00:003.0 2.1 se12.7 secs1.6 se9.1 secs0.7 se 16.7secs2.2 -2.7 12.7
05/2722:00:003.3 2.2 se12.7 secs1.9 se9.2 secs0.7 se 17.4secs2.2 -2.8 12.7
05/2721:00:003.2 2.1 se12.6 secs1.4 se15.7 secs1.9 se 9.3secs2.2 -2.7 12.6
05/2720:00:003.3 1.9 se14.0 secs2.0 se10.0 secs0.7 se 17.4secs2.1 -2.7 14.0
05/2719:00:003.5 2.1 se14.4 secs2.2 se11.2 secs1.1 se 18.4secs2.4 -3.0 14.4
05/2718:00:003.7 2.3 se14.2 secs2.4 se10.0 secs0.9 se 17.6secs2.6 -3.2 14.2
05/2717:00:003.8 2.7 se11.1 secs1.9 se14.1 secs1.3 se 7.8secs2.3 -2.9 11.1
05/2716:00:003.8 2.3 se14.1 secs2.4 se10.0 secs0.8 se 17.5secs2.6 -3.3 14.1
05/2715:00:003.6 2.2 se14.4 secs2.1 se11.2 secs1.3 se 7.8secs2.5 -3.2 14.4
05/2714:00:003.5 2.0 se14.1 secs2.2 se10.1 secs1.1 se 6.7secs2.3 -2.9 14.1
05/2713:00:003.2 2.1 se14.2 secs1.9 se11.2 secs1.3 se 7.8secs2.3 -2.9 14.2
05/2712:00:003.3 2.1 se14.4 secs2.1 se11.2 secs1.1 se 7.7secs2.5 -3.1 14.4

 

Surf Height Scale
Size Scale (ft)
>11-22-33-44-55-66-77-88-99-1010-1111-1212-1313-1414-1515-2020-2525-3030-3535-4040-4545+

Swell Period Scal
Period Scale (secs)
6.36.77.17.78.39.11011.112.514.316.7202533.3

 

Current Weather Conditions
Buoy 46012
11:00:00 (GMT) on 05/28
Combined Sea Height:4.3 ft
Dominant Period:11.0 secs
Wind Speed: 11.7 kts
Wind Gust: 13.7 kts
Wind Direction:320 degrees
Barometric Pressure:1018.4 mbs
Air Temperature: 54.5 degrees
Water Temperature:54.7 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)
05/2811:00:004.311.011.713.73201018.454.554.7
05/2810:00:004.311.011.713.73201018.554.554.9
05/2809:00:003.913.011.713.73201018.754.755.0
05/2808:00:003.614.011.713.73201019.255.255.0
05/2807:00:003.99.07.89.83301019.554.955.4
05/2806:00:003.69.011.713.73201019.555.455.4
05/2805:00:003.910.09.811.73201019.455.654.9
05/2804:00:003.99.09.813.73101019.255.055.2
05/2803:00:004.310.07.89.83201019.055.055.6
05/2802:00:004.69.09.811.73101018.955.455.9
05/2801:00:003.910.09.811.73001019.155.855.9
05/2800:00:004.39.09.811.73001019.455.855.6
05/2723:00:003.913.09.811.73001019.555.855.4
05/2722:00:003.99.07.89.83001019.555.956.1
05/2721:00:004.39.05.87.82801019.655.956.1
05/2720:00:004.39.05.87.82601019.755.956.1
05/2719:00:004.39.03.95.82501020.156.356.1
05/2718:00:004.310.01.93.92801019.955.855.4
05/2717:00:004.99.01.93.91601019.955.255.0
05/2716:00:004.910.03.93.92001019.955.054.7
05/2715:00:004.910.03.93.92001019.554.754.7
05/2714:00:004.615.01.93.92101018.854.554.7
05/2713:00:004.610.01.93.92301018.454.354.9
05/2712:00:004.310.01.91.92201017.854.155.0

 

000151490 ___0.180231
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