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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)05/29
16:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
16:00:00 (GMT) on 05/29
Sea Height:4.5 ft
Primary Swell Height: 3.9 ft
Primary Swell Period: 15.9 secs
Surf Height5.0 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)
05/2916:00:004.5 3.9 se15.9 secs1.3 se11.6 secs0.7 se 20.0secs5.0 -6.2 15.9
05/2915:00:003.8 3.2 se15.9 secs1.1 se11.4 secs0.6 se 20.0secs4.1 -5.1 15.9
05/2914:00:003.8 3.1 se16.1 secs1.3 se11.5 secs0.7 se 20.0secs4.0 -4.9 16.1
05/2913:00:003.7 3.1 se16.3 secs2.2 se13.2 secs0.8 se 20.0secs4.1 -5.1 16.3
05/2912:00:003.5 2.8 se16.3 secs1.9 se13.2 secs0.6 se 20.0secs3.7 -4.6 16.3
05/2911:00:003.2 2.4 se16.3 secs1.8 se13.1 secs0.7 se 20.0secs3.1 -3.9 16.3
05/2910:00:003.3 2.3 se16.4 secs1.9 se13.0 secs0.7 se 20.0secs3.1 -3.8 16.4
05/2909:00:003.5 2.6 se16.2 secs2.0 se13.2 secs0.6 se 20.0secs3.3 -4.1 16.2
05/2908:00:002.9 1.8 se16.5 secs1.6 se12.9 secs0.7 se 20.0secs2.4 -3.0 16.5
05/2907:00:003.2 2.1 se16.6 secs1.6 se12.9 secs0.8 se 20.0secs2.7 -3.4 16.6
05/2906:00:003.0 1.8 se16.6 secs1.6 se12.9 secs0.8 se 20.6secs2.4 -2.9 16.6
05/2905:00:003.1 1.8 se16.1 secs1.7 se12.9 secs1.6 se 8.3secs2.3 -2.9 16.1
05/2904:00:003.2 1.9 se16.2 secs1.8 se12.9 secs1.2 se 9.2secs2.5 -3.1 16.2
05/2903:00:003.0 1.7 se16.3 secs1.5 se12.9 secs1.7 se 7.2secs2.2 -2.8 16.3
05/2902:00:003.1 1.9 se15.0 secs1.3 se11.1 secs1.5 se 7.7secs2.3 -2.8 15.0
05/2901:00:003.5 2.0 se16.3 secs1.6 se12.9 secs1.7 se 9.1secs2.6 -3.3 16.3
05/2900:00:003.3 1.6 se16.4 secs1.4 se12.8 secs1.5 se 9.2secs2.2 -2.7 16.4
05/2823:00:003.2 1.5 se16.3 secs1.3 se12.5 secs1.5 se 9.1secs1.9 -2.4 16.3
05/2822:00:003.3 1.6 se16.2 secs1.7 se12.5 secs1.5 se 9.2secs2.1 -2.6 16.2
05/2821:00:003.6 1.8 se16.2 secs1.9 se12.3 secs1.7 se 9.2secs2.3 -2.9 16.2
05/2820:00:003.4 1.6 se16.3 secs1.4 se12.6 secs1.7 se 9.2secs2.1 -2.6 16.3
05/2819:00:003.5 2.1 se16.4 secs1.6 se10.1 secs1.5 se 6.7secs2.8 -3.4 16.4
05/2818:00:003.2 1.8 se16.5 secs1.5 se12.5 secs1.5 se 9.2secs2.4 -2.9 16.5
05/2817:00:003.4 1.6 se16.2 secs1.8 se12.3 secs1.7 se 9.3secs2.1 -2.6 16.2

 

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
17:00:00 (GMT) on 05/29
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 5.8 kts
Wind Gust: 7.8 kts
Wind Direction:200 degrees
Barometric Pressure:1013.1 mbs
Air Temperature: 54.1 degrees
Water Temperature:54.1 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)
05/2917:00:000.00.05.87.82001013.154.154.1
05/2916:00:000.00.05.87.82001013.454.154.0
05/2915:00:000.00.01.93.92301013.154.054.1
05/2914:00:000.00.03.95.82401013.254.054.0
05/2913:00:000.00.01.91.92101012.954.054.0
05/2912:00:000.00.03.95.81901013.054.054.1
05/2911:00:000.00.05.87.82001013.253.854.1
05/2910:00:000.00.03.97.82101013.253.454.1
05/2909:00:000.00.05.87.82001013.853.454.3
05/2908:00:000.00.03.93.91801013.853.154.3
05/2907:00:000.00.01.93.92201014.153.454.3
05/2906:00:000.00.00.00.00001014.153.253.8
05/2905:00:000.00.01.93.92101014.853.453.4
05/2904:00:000.00.05.87.82701014.453.453.6
05/2903:00:000.00.03.95.82601014.054.153.4
05/2902:00:000.00.03.95.82701013.854.353.6
05/2901:00:000.00.03.93.93001013.554.753.4
05/2900:00:000.00.03.95.82901013.954.753.8
05/2823:00:000.00.03.97.83001013.954.953.6
05/2822:00:000.00.05.85.83001014.354.954.1
05/2821:00:000.00.03.93.93001014.554.553.6
05/2820:00:000.00.05.85.82901014.854.053.8
05/2819:00:000.00.03.95.83001014.853.453.6
05/2818:00:000.00.03.95.83301014.952.953.4

 

000163100 ___0.017886
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