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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)07/01
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 07/01
Sea Height:3.3 ft
Primary Swell Height: 2.3 ft
Primary Swell Period: 8.4 secs
Surf Height1.5 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)
07/0121:00:003.3 2.3 se8.4 secs1.2 se14.7 secs0.2 se 20.0secs1.5 -1.9 8.4
07/0120:00:003.5 2.5 se8.2 secs1.4 se14.4 secs0.2 se 20.0secs1.7 -2.1 8.2
07/0119:00:003.5 1.2 se16.4 secs2.4 se8.3 secs1.3 se 12.7secs1.6 -2.1 16.4
07/0118:00:003.3 2.5 se8.2 secs1.2 se14.5 secs1.2 se 11.3secs1.7 -2.1 8.2
07/0117:00:003.6 2.6 se8.4 secs1.4 se14.6 secs1.0 se 17.6secs1.8 -2.2 8.4
07/0116:00:003.6 1.4 se14.6 secs2.6 se7.8 secs1.2 se 11.4secs1.7 -2.1 14.6
07/0115:00:003.3 1.5 se14.7 secs2.2 se8.4 secs0.0 se 0.0secs1.7 -2.2 14.7
07/0114:00:003.7 2.8 se8.4 secs1.4 se14.5 secs1.2 se 11.5secs1.9 -2.4 8.4
07/0113:00:004.0 2.9 se8.3 secs1.6 se14.2 secs0.8 se 18.2secs1.9 -2.4 8.3
07/0112:00:003.7 1.6 se14.5 secs2.4 se8.3 secs1.0 se 17.7secs1.8 -2.3 14.5
07/0111:00:004.1 2.7 se8.3 secs1.4 se14.6 secs0.3 se 20.0secs1.8 -2.3 8.3
07/0110:00:003.7 1.5 se14.6 secs2.6 se7.8 secs1.2 se 11.2secs1.8 -2.2 14.6
07/0109:00:003.7 1.7 se14.5 secs2.4 se8.4 secs1.1 se 17.6secs2.0 -2.5 14.5
07/0108:00:003.6 1.5 se14.6 secs1.1 se17.7 secs2.1 se 8.4secs1.8 -2.2 14.6
07/0107:00:003.6 1.6 se14.7 secs2.2 se8.2 secs1.1 se 11.4secs1.9 -2.3 14.7
07/0106:00:003.5 2.4 se7.8 secs1.1 se16.3 secs1.3 se 12.6secs1.5 -1.9 7.8
07/0105:00:003.7 1.5 se14.5 secs2.6 se7.7 secs1.0 se 17.8secs1.7 -2.1 14.5
07/0104:00:003.4 1.2 se16.1 secs2.4 se7.7 secs1.3 se 12.7secs1.5 -1.9 16.1
07/0103:00:003.3 1.4 se16.4 secs1.4 se12.9 secs2.0 se 7.7secs1.8 -2.3 16.4
07/0102:00:003.8 1.6 se14.5 secs2.5 se7.7 secs1.1 se 11.4secs1.8 -2.2 14.5
07/0101:00:003.6 2.6 se7.7 secs1.3 se14.1 secs0.6 se 17.9secs1.6 -2.0 7.7
07/0100:00:004.1 1.5 se14.4 secs2.7 se7.7 secs0.0 se 0.0secs1.7 -2.1 14.4
06/3023:00:004.1 2.9 se7.7 secs1.4 se14.6 secs0.9 se 11.4secs1.8 -2.2 7.7
06/3022:00:004.3 3.0 se7.7 secs1.4 se16.1 secs1.5 se 13.0secs1.9 -2.3 7.7

 

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
21:00:00 (GMT) on 07/01
Combined Sea Height:5.2 ft
Dominant Period:8.0 secs
Wind Speed: 3.9 kts
Wind Gust: 3.9 kts
Wind Direction:250 degrees
Barometric Pressure:1013.0 mbs
Air Temperature: 58.3 degrees
Water Temperature:58.3 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)
07/0121:00:005.28.03.93.92501013.058.358.3
07/0120:00:004.69.05.87.81901013.557.758.1
07/0119:00:004.98.07.89.82101013.157.257.9
07/0118:00:004.98.09.811.71601013.456.857.9
07/0117:00:004.98.09.811.71701012.956.157.9
07/0116:00:005.28.05.89.81801012.455.457.7
07/0115:00:005.28.03.95.82401011.254.957.4
07/0114:00:004.98.00.01.90001010.954.357.0
07/0113:00:005.68.00.01.90001010.654.357.0
07/0112:00:005.98.05.87.83201009.654.356.8
07/0111:00:005.28.05.87.83101009.754.556.8
07/0110:00:005.98.05.87.83201009.754.557.0
07/0109:00:005.68.07.89.83101009.955.057.2
07/0108:00:005.28.05.87.82901010.654.757.4
07/0107:00:005.28.03.95.82901011.154.557.4
07/0106:00:005.28.01.93.92701011.754.757.6
07/0105:00:005.28.09.811.73201011.054.957.6
07/0104:00:005.28.09.811.73201010.855.057.7
07/0103:00:005.28.07.89.83201010.655.257.9
07/0102:00:004.98.09.811.73301010.655.457.9
07/0101:00:005.98.011.713.73301010.155.457.9
07/0100:00:005.68.013.717.63201010.055.457.9
06/3023:00:006.28.015.617.63201010.355.457.9
06/3022:00:006.28.013.715.63101010.955.657.9

 

000106741 ___0.325567
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