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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)05/31
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 05/31
Sea Height:4.3 ft
Primary Swell Height: 2.8 ft
Primary Swell Period: 16.0 secs
Surf Height3.6 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)
05/3121:00:004.3 2.8 se16.0 secs3.2 se12.7 secs1.6 se 9.2secs3.6 -4.5 16.0
05/3120:00:004.5 2.5 se16.2 secs3.2 se12.5 secs2.3 se 9.3secs3.3 -4.1 16.2
05/3119:00:004.2 2.7 se14.4 secs2.7 se11.2 secs1.5 se 17.9secs3.2 -4.0 14.4
05/3118:00:004.7 3.1 se16.2 secs3.8 se12.8 secs1.1 se 20.0secs4.0 -5.0 16.2
05/3117:00:004.6 2.9 se15.8 secs3.6 se12.7 secs1.9 se 9.2secs3.7 -4.6 15.8
05/3116:00:004.6 3.1 se14.4 secs3.0 se11.2 secs1.5 se 7.8secs3.6 -4.5 14.4
05/3115:00:005.1 4.2 se12.5 secs2.8 se15.6 secs1.9 se 9.2secs4.2 -5.3 12.5
05/3114:00:004.8 3.7 se12.6 secs2.8 se15.6 secs2.0 se 9.2secs3.8 -4.7 12.6
05/3113:00:004.5 3.5 se12.6 secs2.7 se16.0 secs1.8 se 9.2secs3.5 -4.4 12.6
05/3112:00:005.0 3.9 se12.6 secs3.0 se15.9 secs1.9 se 9.2secs4.0 -5.0 12.6
05/3111:00:005.1 3.6 se14.4 secs3.4 se11.3 secs1.8 se 17.8secs4.1 -5.2 14.4
05/3110:00:005.2 3.8 se14.6 secs2.3 se17.6 secs3.2 se 11.3secs4.4 -5.6 14.6
05/3109:00:005.0 3.4 se12.5 secs2.4 se16.0 secs2.6 se 9.4secs3.4 -4.3 12.5
05/3108:00:005.1 3.6 se14.3 secs3.1 se10.4 secs1.8 se 17.5secs4.1 -5.1 14.3
05/3107:00:005.9 4.3 se14.5 secs4.1 se11.3 secs1.5 se 7.8secs5.0 -6.3 14.5
05/3106:00:005.6 3.8 se14.4 secs4.0 se11.3 secs2.1 se 17.5secs4.3 -5.4 14.4
05/3105:00:005.9 4.3 se14.6 secs3.9 se11.3 secs1.4 se 7.8secs5.1 -6.3 14.6
05/3104:00:005.9 4.9 se12.5 secs3.0 se15.6 secs2.4 se 9.2secs4.9 -6.1 12.5
05/3103:00:005.6 3.6 se14.6 secs3.6 se11.3 secs2.0 se 7.8secs4.2 -5.3 14.6
05/3102:00:006.2 4.4 se14.2 secs3.6 se10.3 secs2.2 se 17.3secs5.0 -6.3 14.2
05/3101:00:006.0 4.4 se14.6 secs3.7 se11.4 secs0.7 se 20.0secs5.2 -6.5 14.6
05/3100:00:006.0 4.4 se14.6 secs4.0 se11.4 secs1.7 se 7.8secs5.1 -6.4 14.6
05/3023:00:005.5 4.4 se12.6 secs3.0 se16.0 secs2.0 se 9.3secs4.4 -5.6 12.6
05/3022:00:006.2 4.9 se12.4 secs3.1 se15.7 secs2.5 se 9.2secs4.9 -6.1 12.4

 

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
22:00:00 (GMT) on 05/31
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:280 degrees
Barometric Pressure:1016.7 mbs
Air Temperature: 56.3 degrees
Water Temperature:55.2 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)
05/3122:00:000.00.03.95.82801016.756.355.2
05/3121:00:000.00.05.89.83101016.855.955.4
05/3120:00:000.00.05.89.83001016.856.355.4
05/3119:00:000.00.03.95.82901017.256.854.7
05/3118:00:000.00.03.95.82801016.956.355.0
05/3117:00:000.00.01.93.93101016.856.154.5
05/3116:00:000.00.01.93.93401016.756.154.1
05/3115:00:000.00.01.93.93201016.555.854.3
05/3114:00:000.00.01.93.92601015.955.254.1
05/3113:00:000.00.01.93.92101015.455.454.1
05/3112:00:000.00.01.93.91001015.455.954.1
05/3111:00:000.00.03.95.83401015.156.554.0
05/3110:00:000.00.00.03.90001015.255.853.8
05/3109:00:000.00.01.93.93201015.355.654.1
05/3108:00:000.00.01.91.93501015.756.354.7
05/3107:00:000.00.01.93.92301015.756.354.7
05/3106:00:000.00.01.93.90301015.856.754.7
05/3105:00:000.00.01.93.91701016.056.754.5
05/3104:00:000.00.01.93.90901015.456.354.5
05/3103:00:000.00.05.87.82201014.857.655.0
05/3102:00:000.00.05.87.82001014.357.254.7
05/3101:00:000.00.07.811.71601013.657.254.7
05/3100:00:000.00.05.87.81301014.156.754.7
05/3023:00:000.00.07.811.71501014.257.254.3

 

000163131 ___0.012908
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