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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)10/30
13:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
13:00:00 (GMT) on 10/30
Sea Height:5.1 ft
Primary Swell Height: 4.4 ft
Primary Swell Period: 12.1 secs
Surf Height4.2 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)
10/3013:00:005.1 4.4 se12.1 secs1.9 se8.3 secs0.0 se 0.0secs4.2 -5.3 12.1
10/3012:00:004.5 3.4 se12.3 secs2.2 se9.3 secs1.1 se 5.9secs3.3 -4.2 12.3
10/3011:00:004.8 4.0 se12.4 secs1.9 se9.2 secs0.4 se 17.9secs4.0 -5.0 12.4
10/3010:00:004.4 3.6 se12.5 secs1.9 se9.2 secs0.7 se 17.4secs3.6 -4.5 12.5
10/3009:00:005.6 5.1 se12.7 secs1.9 se9.1 secs0.3 se 16.7secs5.2 -6.4 12.7
10/3008:00:005.4 4.3 se12.4 secs2.7 se9.3 secs0.3 se 16.7secs4.3 -5.4 12.4
10/3007:00:004.8 3.8 se12.4 secs2.4 se9.2 secs0.5 se 16.7secs3.8 -4.8 12.4
10/3006:00:004.6 3.6 se12.7 secs2.2 se9.2 secs0.6 se 16.7secs3.6 -4.5 12.7
10/3005:00:005.5 4.7 se12.4 secs2.3 se9.2 secs0.7 se 16.7secs4.6 -5.8 12.4
10/3004:00:005.5 4.3 se12.5 secs3.1 se9.3 secs0.4 se 16.7secs4.2 -5.3 12.5
10/3003:00:005.1 4.4 se12.3 secs2.2 se9.3 secs0.5 se 16.7secs4.3 -5.4 12.3
10/3002:00:004.9 4.0 se12.4 secs1.7 se15.7 secs2.3 se 9.3secs3.9 -4.9 12.4
10/3001:00:005.4 4.5 se12.2 secs1.9 se8.5 secs0.5 se 16.7secs4.4 -5.5 12.2
10/3000:00:005.2 4.5 se11.2 secs1.3 se14.8 secs1.4 se 7.7secs4.1 -5.1 11.2
10/2923:00:006.0 5.5 se12.2 secs1.5 se8.4 secs0.4 se 16.7secs5.3 -6.6 12.2
10/2922:00:004.9 4.1 se12.3 secs1.6 se8.4 secs0.6 se 16.7secs4.0 -5.0 12.3
10/2921:00:004.1 3.4 se12.2 secs1.4 se8.5 secs0.4 se 16.7secs3.3 -4.1 12.2
10/2920:00:004.1 3.4 se12.4 secs1.4 se9.2 secs0.6 se 16.7secs3.3 -4.2 12.4
10/2919:00:004.0 3.3 se12.3 secs1.6 se9.2 secs0.6 se 16.7secs3.2 -4.0 12.3
10/2918:00:004.1 3.4 se12.5 secs1.6 se9.1 secs0.5 se 16.7secs3.4 -4.3 12.5
10/2917:00:003.9 3.0 se12.5 secs1.8 se9.1 secs0.6 se 16.7secs3.0 -3.8 12.5
10/2916:00:004.1 3.2 se12.7 secs1.7 se9.0 secs0.8 se 16.7secs3.3 -4.1 12.7
10/2915:00:004.1 3.1 se12.5 secs2.0 se9.2 secs0.5 se 16.7secs3.2 -3.9 12.5
10/2914:00:004.5 3.5 se12.5 secs2.2 se9.2 secs0.6 se 16.7secs3.5 -4.3 12.5

 

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
13:00:00 (GMT) on 10/30
Combined Sea Height:5.2 ft
Dominant Period:11.0 secs
Wind Speed: 11.7 kts
Wind Gust: 13.7 kts
Wind Direction:310 degrees
Barometric Pressure:1013.0 mbs
Air Temperature: 60.1 degrees
Water Temperature:61.7 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)
10/3013:00:005.211.011.713.73101013.060.161.7
10/3012:00:006.211.09.811.73101012.860.361.7
10/3011:00:005.612.07.89.83201012.561.261.7
10/3010:00:005.912.05.87.83301012.861.761.7
10/3009:00:005.612.05.87.83301013.361.961.7
10/3008:00:006.613.05.87.83301013.561.961.9
10/3007:00:006.613.07.87.83401014.061.761.9
10/3006:00:006.212.011.713.73301014.561.262.1
10/3005:00:005.912.013.715.63201014.861.061.9
10/3004:00:006.612.013.715.63301014.862.261.9
10/3003:00:006.910.013.717.63301014.962.461.7
10/3002:00:006.212.013.715.63301015.062.461.7
10/3001:00:005.912.015.617.63301014.762.661.7
10/3000:00:006.611.015.617.63301014.663.061.5
10/2923:00:006.610.09.811.73301014.863.361.5
10/2922:00:006.912.013.715.63301015.263.561.5
10/2921:00:005.911.011.711.73301015.663.161.3
10/2920:00:005.211.011.711.73301016.362.861.3
10/2919:00:005.212.09.811.73501017.362.161.2
10/2918:00:004.911.011.715.63501018.061.761.2
10/2917:00:004.912.011.713.73401018.461.560.8
10/2916:00:004.912.09.811.73601018.761.360.8
10/2915:00:004.914.09.811.73501018.661.960.8
10/2914:00:005.213.011.713.73401018.361.560.8

 

000101340 ___0.225499
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