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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)02/27
22:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
22:00:00 (GMT) on 02/27
Sea Height:8.2 ft
Primary Swell Height: 6.1 ft
Primary Swell Period: 12.5 secs
Surf Height6.1 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)
02/2722:00:008.2 6.1 se12.5 secs3.2 se9.2 secs1.3 se 16.7secs6.1 -7.7 12.5
02/2721:00:008.6 7.1 se12.4 secs3.0 se9.2 secs1.0 se 16.7secs7.0 -8.8 12.4
02/2720:00:007.0 5.2 se12.5 secs2.5 se9.3 secs2.7 se 6.3secs5.2 -6.5 12.5
02/2719:00:007.8 6.1 se12.3 secs2.9 se9.2 secs2.8 se 5.9secs6.0 -7.4 12.3
02/2718:00:008.6 7.0 se12.2 secs3.1 se5.9 secs0.8 se 16.7secs6.8 -8.5 12.2
02/2717:00:007.3 5.6 se12.3 secs2.3 se8.4 secs1.0 se 16.7secs5.5 -6.9 12.3
02/2716:00:006.5 5.1 se12.5 secs3.0 se9.3 secs0.9 se 16.7secs5.2 -6.4 12.5
02/2715:00:006.3 5.2 se12.2 secs2.2 se8.4 secs1.1 se 16.7secs5.1 -6.3 12.2
02/2714:00:005.9 4.6 se12.4 secs3.1 se9.3 secs1.2 se 16.7secs4.6 -5.7 12.4
02/2713:00:005.3 3.8 se12.5 secs2.8 se9.1 secs1.3 se 16.7secs3.9 -4.8 12.5
02/2712:00:005.5 3.7 se14.1 secs2.5 se10.2 secs2.1 se 6.8secs4.2 -5.3 14.1
02/2711:00:005.1 3.5 se14.2 secs2.2 se10.3 secs2.3 se 7.2secs4.0 -5.0 14.2
02/2710:00:004.5 3.1 se14.5 secs2.2 se7.7 secs0.2 se 20.0secs3.6 -4.5 14.5
02/2709:00:004.5 3.2 se14.4 secs1.6 se10.3 secs1.9 se 7.2secs3.7 -4.7 14.4
02/2708:00:004.3 2.8 se14.6 secs2.2 se7.1 secs1.2 se 10.2secs3.3 -4.1 14.6
02/2707:00:003.9 2.7 se14.4 secs1.3 se10.4 secs1.9 se 5.9secs3.1 -3.9 14.4
02/2706:00:003.8 2.6 se14.4 secs1.9 se5.9 secs1.0 se 10.4secs3.0 -3.7 14.4
02/2705:00:003.8 2.7 se14.3 secs1.3 se17.6 secs1.1 se 10.2secs3.1 -3.9 14.3
02/2704:00:003.6 2.7 se14.2 secs1.0 se10.2 secs1.5 se 6.7secs3.0 -3.8 14.2
02/2703:00:003.6 2.4 se14.0 secs1.1 se10.3 secs1.9 se 5.6secs2.7 -3.4 14.0
02/2702:00:003.7 2.8 se14.1 secs1.4 se10.4 secs1.6 se 5.5secs3.1 -3.9 14.1
02/2701:00:003.4 2.4 se14.3 secs1.3 se10.2 secs1.5 se 5.6secs2.7 -3.4 14.3
02/2700:00:003.4 2.3 se14.2 secs1.2 se10.3 secs1.2 se 7.2secs2.6 -3.3 14.2
02/2623:00:003.4 2.4 se12.6 secs0.6 se16.7 secs1.1 se 9.0secs2.4 -3.0 12.6

 

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
22:00:00 (GMT) on 02/27
Combined Sea Height:10.8 ft
Dominant Period:12.0 secs
Wind Speed: 0.0 kts
Wind Gust: 0.0 kts
Wind Direction:000 degrees
Barometric Pressure: 0.0 mbs
Air Temperature: 32.0 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)
02/2722:00:0010.812.00.00.00000.032.032.0
02/2721:00:0010.212.00.00.00000.032.032.0
02/2720:00:009.512.00.00.00000.032.032.0
02/2719:00:009.212.00.00.00000.032.032.0
02/2718:00:009.211.017.625.40101014.532.032.0
02/2717:00:009.811.00.00.00000.032.032.0
02/2716:00:009.811.00.00.00000.032.032.0
02/2715:00:008.511.00.00.00000.032.032.0
02/2714:00:007.911.00.00.00000.032.032.0
02/2713:00:006.911.00.00.00000.032.032.0
02/2712:00:006.613.00.00.00000.032.032.0
02/2711:00:006.614.00.00.00000.032.032.0
02/2710:00:006.616.00.00.00000.032.032.0
02/2709:00:006.213.00.00.00000.032.032.0
02/2708:00:005.915.00.00.00000.032.032.0
02/2707:00:005.616.00.00.00000.032.032.0
02/2706:00:005.613.00.00.00000.032.032.0
02/2705:00:005.26.00.00.00000.032.032.0
02/2704:00:005.25.00.00.00000.032.032.0
02/2703:00:004.913.00.00.00000.032.032.0
02/2702:00:004.913.00.00.00000.032.032.0
02/2701:00:004.613.00.00.00000.032.032.0
02/2700:00:004.914.00.00.00000.032.032.0
02/2623:00:005.65.00.00.00000.032.032.0

 

000190279 ___0.036024
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