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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)04/26
07:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
07:00:00 (GMT) on 04/26
Sea Height:4.1 ft
Primary Swell Height: 2.6 ft
Primary Swell Period: 12.4 secs
Surf Height2.6 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)
04/2607:00:004.1 2.6 se12.4 secs1.8 se16.7 secs2.4 se 9.2secs2.6 -3.2 12.4
04/2606:00:004.0 2.7 se11.2 secs1.4 se16.7 secs1.9 se 7.9secs2.4 -3.0 11.2
04/2605:00:004.6 3.0 se11.1 secs2.1 se14.2 secs1.1 se 18.0secs2.6 -3.3 11.1
04/2604:00:004.2 3.0 se10.1 secs1.5 se16.3 secs0.5 se 20.0secs2.4 -3.0 10.1
04/2603:00:004.5 2.7 se12.4 secs1.6 se16.2 secs2.8 se 9.2secs2.7 -3.4 12.4
04/2602:00:004.9 3.1 se11.0 secs1.8 se16.8 secs0.9 se 20.0secs2.7 -3.4 11.0
04/2601:00:004.1 2.8 se10.1 secs1.7 se14.1 secs0.8 se 18.0secs2.3 -2.9 10.1
04/2600:00:004.2 2.6 se12.5 secs1.6 se15.9 secs2.4 se 9.1secs2.6 -3.3 12.5
04/2523:00:004.6 3.0 se11.0 secs1.8 se14.2 secs1.1 se 18.2secs2.6 -3.3 11.0
04/2522:00:004.8 3.5 se10.1 secs1.7 se16.4 secs0.7 se 20.0secs2.8 -3.5 10.1
04/2521:00:005.5 3.9 se11.0 secs2.2 se14.1 secs2.4 se 7.8secs3.4 -4.3 11.0
04/2520:00:005.3 3.8 se12.3 secs3.0 se9.2 secs1.6 se 15.7secs3.7 -4.6 12.3
04/2519:00:005.1 3.2 se12.5 secs2.1 se16.2 secs3.2 se 9.3secs3.2 -4.0 12.5
04/2518:00:005.0 3.3 se12.2 secs2.9 se9.2 secs1.5 se 16.1secs3.3 -4.1 12.2
04/2517:00:005.3 4.1 se11.1 secs1.8 se16.2 secs1.8 se 7.8secs3.6 -4.5 11.1
04/2516:00:004.9 3.4 se12.3 secs1.6 se16.0 secs2.4 se 9.2secs3.3 -4.2 12.3
04/2515:00:005.0 3.2 se12.6 secs2.0 se16.1 secs2.9 se 9.2secs3.2 -4.0 12.6
04/2514:00:005.7 4.2 se12.2 secs1.8 se15.6 secs2.4 se 8.5secs4.1 -5.1 12.2
04/2513:00:006.4 4.8 se12.2 secs3.4 se9.2 secs0.6 se 16.7secs4.7 -5.9 12.2
04/2512:00:006.2 4.6 se12.3 secs3.3 se9.2 secs1.8 se 15.4secs4.6 -5.7 12.3
04/2511:00:006.5 5.2 se12.2 secs2.9 se9.1 secs0.7 se 16.7secs5.1 -6.4 12.2
04/2510:00:006.3 4.6 se12.4 secs3.2 se9.2 secs0.6 se 16.7secs4.6 -5.7 12.4
04/2509:00:006.5 4.4 se12.3 secs3.6 se9.2 secs1.1 se 16.7secs4.4 -5.5 12.3
04/2508:00:007.0 5.5 se12.2 secs2.9 se9.2 secs0.9 se 16.7secs5.4 -6.8 12.2

 

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
06:00:00 (GMT) on 04/26
Combined Sea Height:5.2 ft
Dominant Period:11.0 secs
Wind Speed: 3.9 kts
Wind Gust: 3.9 kts
Wind Direction:260 degrees
Barometric Pressure:1019.3 mbs
Air Temperature: 56.5 degrees
Water Temperature:56.3 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)
04/2606:00:005.211.03.93.92601019.356.556.3
04/2605:00:005.210.03.93.93001019.856.156.3
04/2604:00:005.910.05.87.83101019.756.356.3
04/2603:00:005.610.07.89.83001019.656.556.5
04/2602:00:005.910.07.89.83001019.356.556.5
04/2601:00:006.610.09.811.72901019.656.556.5
04/2600:00:005.69.09.811.72901019.556.856.5
04/2523:00:005.99.011.713.72901019.356.556.7
04/2522:00:006.610.011.713.73001019.856.356.7
04/2521:00:006.610.011.713.73001019.855.956.7
04/2520:00:007.211.07.811.73001020.255.856.5
04/2519:00:006.911.09.811.73001020.055.256.3
04/2518:00:006.910.09.811.73101020.355.256.1
04/2517:00:006.611.09.813.73001019.855.256.1
04/2516:00:006.910.011.713.73101019.855.455.9
04/2515:00:006.211.09.811.73201019.055.055.9
04/2514:00:006.610.09.813.73201018.854.955.9
04/2513:00:007.211.09.811.73301018.154.955.9
04/2512:00:008.211.013.715.63201017.654.955.9
04/2511:00:008.211.011.715.63201018.355.056.1
04/2510:00:008.211.013.715.63201018.255.255.9
04/2509:00:008.212.09.813.73201018.654.955.9
04/2508:00:008.510.011.715.63201018.755.056.1
04/2507:00:008.511.019.521.43001018.255.256.1

 

000149348 ___0.177015
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