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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)02/11
05:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
05:00:00 (GMT) on 02/11
Sea Height:4.9 ft
Primary Swell Height: 4.4 ft
Primary Swell Period: 12.5 secs
Surf Height4.4 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)
02/1105:00:004.9 4.4 se12.5 secs1.8 se9.3 secs0.6 se 16.7secs4.4 -5.5 12.5
02/1104:00:005.1 4.4 se12.6 secs2.0 se9.3 secs1.0 se 17.2secs4.5 -5.6 12.6
02/1103:00:004.6 4.1 se12.6 secs1.7 se9.4 secs0.9 se 16.7secs4.1 -5.1 12.6
02/1102:00:004.7 4.3 se12.5 secs1.4 se9.4 secs0.7 se 16.7secs4.3 -5.4 12.5
02/1101:00:004.7 4.3 se12.7 secs0.9 se17.6 secs1.5 se 9.2secs4.3 -5.4 12.7
02/1100:00:004.4 4.0 se12.6 secs0.8 se16.7 secs1.4 se 9.3secs4.1 -5.1 12.6
02/1023:00:004.0 3.3 se13.8 secs2.1 se10.3 secs1.0 se 17.2secs3.6 -4.5 13.8
02/1022:00:004.5 4.1 se12.5 secs0.9 se16.7 secs1.5 se 9.3secs4.1 -5.1 12.5
02/1021:00:004.5 4.1 se12.7 secs1.5 se9.3 secs0.6 se 16.7secs4.2 -5.2 12.7
02/1020:00:004.9 4.5 se12.5 secs1.0 se16.7 secs1.5 se 9.3secs4.5 -5.6 12.5
02/1019:00:004.6 4.3 se12.7 secs1.4 se9.3 secs0.8 se 16.7secs4.3 -5.4 12.7
02/1018:00:004.7 4.4 se12.6 secs0.8 se17.6 secs1.4 se 9.3secs4.4 -5.6 12.6
02/1017:00:004.2 3.7 se12.5 secs1.9 se15.7 secs1.6 se 9.3secs3.7 -4.6 12.5
02/1016:00:004.4 4.0 se12.6 secs1.1 se17.2 secs1.3 se 9.2secs4.0 -5.1 12.6
02/1015:00:004.5 4.1 se12.7 secs1.7 se9.4 secs0.8 se 16.7secs4.1 -5.2 12.7
02/1014:00:005.6 4.9 se13.9 secs2.6 se10.3 secs1.4 se 17.4secs5.4 -6.8 13.9
02/1013:00:005.3 5.0 se12.6 secs1.0 se16.7 secs1.2 se 9.4secs5.1 -6.4 12.6
02/1012:00:005.5 5.2 se12.7 secs1.1 se17.5 secs1.4 se 9.4secs5.3 -6.6 12.7
02/1011:00:005.3 5.2 se12.6 secs0.9 se17.4 secs1.0 se 9.4secs5.2 -6.5 12.6
02/1010:00:004.4 3.9 se13.9 secs2.2 se10.5 secs1.1 se 17.2secs4.3 -5.4 13.9
02/1009:00:004.3 4.0 se12.7 secs1.0 se17.6 secs1.1 se 9.3secs4.1 -5.1 12.7
02/1008:00:005.2 5.0 se12.6 secs0.9 se17.5 secs1.1 se 9.4secs5.0 -6.3 12.6
02/1007:00:004.5 4.2 se12.8 secs1.0 se17.4 secs0.9 se 9.1secs4.3 -5.4 12.8
02/1006:00:005.6 5.1 se13.7 secs2.3 se10.5 secs1.0 se 17.5secs5.6 -7.0 13.7

 

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
05:00:00 (GMT) on 02/11
Combined Sea Height:5.2 ft
Dominant Period:13.0 secs
Wind Speed: 11.7 kts
Wind Gust: 13.7 kts
Wind Direction:330 degrees
Barometric Pressure:1020.8 mbs
Air Temperature: 32.0 degrees
Water Temperature:55.9 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)
02/1105:00:005.213.011.713.73301020.832.055.9
02/1104:00:005.613.011.715.63201021.132.055.9
02/1103:00:005.911.013.715.63201021.232.055.9
02/1102:00:005.213.011.713.73401021.332.055.9
02/1101:00:005.212.013.715.63401021.332.056.1
02/1100:00:005.212.013.715.63301021.732.056.1
02/1023:00:005.213.013.715.63301022.132.056.1
02/1022:00:004.913.013.717.63301022.532.056.1
02/1021:00:005.212.017.619.53301023.032.056.3
02/1020:00:005.213.013.715.63301023.932.056.3
02/1019:00:005.612.013.715.63401024.832.056.1
02/1018:00:005.213.017.619.53201025.632.056.1
02/1017:00:005.213.011.713.73101025.332.055.9
02/1016:00:004.912.05.87.83301024.532.055.8
02/1015:00:004.912.07.89.83001024.632.055.8
02/1014:00:004.913.05.85.83301024.232.055.8
02/1013:00:005.913.07.89.83501023.732.055.9
02/1012:00:005.613.011.711.73501023.532.055.9
02/1011:00:005.914.011.713.73201023.432.055.9
02/1010:00:005.613.07.89.82901023.232.056.1
02/1009:00:004.613.01.91.93001022.932.056.1
02/1008:00:004.613.01.93.92801022.932.056.1
02/1007:00:005.213.01.93.92301022.732.056.3
02/1006:00:004.614.03.93.91601022.032.056.1

 

000112970 ___0.254888
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