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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)03/26
21:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
21:00:00 (GMT) on 03/26
Sea Height:6.4 ft
Primary Swell Height: 5.9 ft
Primary Swell Period: 12.4 secs
Surf Height5.9 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)
03/2621:00:006.4 5.9 se12.4 secs1.8 se9.2 secs0.5 se 16.7secs5.9 -7.3 12.4
03/2620:00:006.2 5.7 se12.6 secs2.1 se9.3 secs0.5 se 16.7secs5.7 -7.1 12.6
03/2619:00:006.0 5.4 se12.7 secs2.1 se9.2 secs0.5 se 16.7secs5.5 -6.9 12.7
03/2618:00:005.7 4.9 se12.8 secs2.4 se9.3 secs0.5 se 16.7secs5.0 -6.3 12.8
03/2617:00:005.6 4.6 se12.8 secs2.3 se9.3 secs0.9 se 17.4secs4.7 -5.9 12.8
03/2616:00:006.5 5.3 se12.8 secs3.0 se9.3 secs1.1 se 17.3secs5.4 -6.7 12.8
03/2615:00:007.0 5.7 se12.7 secs3.2 se9.3 secs1.2 se 16.7secs5.8 -7.3 12.7
03/2614:00:006.8 5.4 se12.6 secs3.3 se9.3 secs1.2 se 17.2secs5.4 -6.8 12.6
03/2613:00:006.6 5.1 se14.1 secs3.3 se10.2 secs2.1 se 7.2secs5.7 -7.1 14.1
03/2612:00:007.3 5.4 se14.0 secs3.8 se10.2 secs1.6 se 17.6secs6.0 -7.6 14.0
03/2611:00:006.9 4.9 se14.1 secs3.9 se10.1 secs1.7 se 17.4secs5.5 -6.9 14.1
03/2610:00:008.4 6.2 se14.1 secs4.6 se10.2 secs2.0 se 6.8secs7.0 -8.7 14.1
03/2609:00:008.0 6.0 se14.3 secs4.7 se11.3 secs2.4 se 7.8secs6.9 -8.6 14.3
03/2608:00:009.2 7.0 se14.3 secs5.3 se10.2 secs2.8 se 17.5secs8.0 -10.0 14.3
03/2607:00:008.7 7.1 se14.2 secs4.7 se10.3 secs0.4 se 20.0secs8.0 -10.0 14.2
03/2606:00:009.1 7.6 se14.0 secs4.5 se10.3 secs1.3 se 7.2secs8.6 -10.7 14.0
03/2605:00:008.0 6.5 se14.0 secs4.1 se10.2 secs1.1 se 6.7secs7.3 -9.2 14.0
03/2604:00:007.3 6.2 se14.1 secs3.3 se10.1 secs1.9 se 17.2secs7.0 -8.7 14.1
03/2603:00:007.4 6.2 se14.1 secs3.6 se10.2 secs1.9 se 17.2secs7.0 -8.8 14.1
03/2602:00:007.2 6.2 se14.3 secs3.2 se10.3 secs1.0 se 6.8secs7.0 -8.8 14.3
03/2601:00:006.6 5.4 se14.3 secs3.4 se10.2 secs0.4 se 20.0secs6.1 -7.7 14.3
03/2600:00:006.8 5.9 se14.4 secs3.2 se11.4 secs1.8 se 7.8secs6.8 -8.5 14.4
03/2523:00:007.3 6.3 se14.4 secs3.2 se10.3 secs1.5 se 7.3secs7.2 -9.0 14.4
03/2522:00:005.7 4.6 se14.4 secs3.3 se11.3 secs1.6 se 7.7secs5.3 -6.6 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
21:00:00 (GMT) on 03/26
Combined Sea Height:7.2 ft
Dominant Period:12.0 secs
Wind Speed: 15.6 kts
Wind Gust: 19.5 kts
Wind Direction:160 degrees
Barometric Pressure:1018.7 mbs
Air Temperature: 55.4 degrees
Water Temperature:55.0 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)
03/2621:00:007.212.015.619.51601018.755.455.0
03/2620:00:007.213.013.717.61601019.455.455.0
03/2619:00:006.913.013.715.61601019.755.255.2
03/2618:00:006.613.011.713.71501019.555.055.2
03/2617:00:006.614.09.811.71501019.455.255.0
03/2616:00:006.614.07.89.81501019.254.755.0
03/2615:00:007.914.05.87.81601019.154.555.0
03/2614:00:008.214.03.95.81501018.454.355.0
03/2613:00:008.29.01.93.92501018.654.355.0
03/2612:00:007.914.03.97.82601018.354.355.0
03/2611:00:008.914.03.95.82601018.054.155.0
03/2610:00:008.214.03.95.82601018.654.054.9
03/2609:00:009.815.05.87.83001019.354.055.0
03/2608:00:009.215.07.89.82901019.554.155.6
03/2607:00:0010.515.07.811.73001019.954.155.6
03/2606:00:009.514.09.813.72901020.054.355.6
03/2605:00:0010.214.09.813.73001019.954.355.6
03/2604:00:009.214.011.713.73001020.754.555.6
03/2603:00:008.214.011.713.72901020.654.555.2
03/2602:00:008.214.011.715.62901020.554.554.9
03/2601:00:007.914.011.713.73001020.354.755.0
03/2600:00:007.514.011.715.63001020.555.055.4
03/2523:00:007.515.011.713.73001020.855.055.6
03/2522:00:008.215.011.711.73101021.155.055.4

 

000146871 ___0.661222
.
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