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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)07/29
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 07/29
Sea Height:3.1 ft
Primary Swell Height: 1.4 ft
Primary Swell Period: 14.2 secs
Surf Height1.6 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)
07/2913:00:003.1 1.4 se14.2 secs2.0 se8.3 secs0.6 se 17.6secs1.6 -2.1 14.2
07/2912:00:002.9 1.4 se14.6 secs1.9 se8.4 secs0.9 se 11.5secs1.6 -2.0 14.6
07/2911:00:003.1 1.3 se14.4 secs2.0 se8.3 secs0.0 se 0.0secs1.5 -1.8 14.4
07/2910:00:002.9 2.0 se8.3 secs1.1 se14.1 secs0.5 se 17.6secs1.3 -1.7 8.3
07/2909:00:003.2 2.3 se8.8 secs1.3 se14.3 secs0.7 se 5.6secs1.6 -2.0 8.8
07/2908:00:003.0 1.6 se14.4 secs1.9 se8.9 secs0.7 se 17.6secs1.8 -2.3 14.4
07/2907:00:002.8 1.5 se14.4 secs1.7 se8.3 secs0.7 se 17.7secs1.7 -2.1 14.4
07/2906:00:002.9 1.4 se14.3 secs1.8 se9.0 secs1.0 se 5.9secs1.6 -2.0 14.3
07/2905:00:003.0 1.4 se14.5 secs2.0 se8.4 secs0.9 se 11.5secs1.6 -2.0 14.5
07/2904:00:003.1 1.6 se14.2 secs2.0 se8.4 secs0.0 se 0.0secs1.8 -2.3 14.2
07/2903:00:002.7 1.2 se14.4 secs1.8 se8.4 secs0.0 se 0.0secs1.4 -1.7 14.4
07/2902:00:003.0 1.4 se14.5 secs1.8 se8.4 secs0.0 se 0.0secs1.7 -2.1 14.5
07/2901:00:003.2 1.7 se14.3 secs2.0 se8.3 secs0.0 se 0.0secs1.9 -2.4 14.3
07/2900:00:003.2 1.6 se14.4 secs2.0 se8.4 secs0.0 se 0.0secs1.9 -2.4 14.4
07/2823:00:003.1 1.4 se14.5 secs2.2 se8.5 secs0.0 se 0.0secs1.7 -2.1 14.5
07/2822:00:003.2 1.7 se14.5 secs1.0 se18.5 secs2.1 se 8.3secs2.0 -2.4 14.5
07/2821:00:003.2 1.6 se14.3 secs2.1 se8.4 secs0.0 se 0.0secs1.8 -2.2 14.3
07/2820:00:003.1 1.6 se14.3 secs2.0 se8.3 secs0.0 se 0.0secs1.9 -2.3 14.3
07/2819:00:003.0 1.4 se14.6 secs1.9 se9.0 secs0.8 se 5.9secs1.6 -2.0 14.6
07/2818:00:003.0 1.2 se14.6 secs2.1 se8.4 secs0.0 se 0.0secs1.4 -1.7 14.6
07/2817:00:003.2 1.7 se14.6 secs2.0 se8.3 secs0.0 se 0.0secs2.0 -2.5 14.6
07/2816:00:002.9 1.4 se14.7 secs1.8 se8.4 secs0.0 se 0.0secs1.6 -2.0 14.7
07/2815:00:003.1 1.6 se14.7 secs1.7 se8.3 secs0.0 se 0.0secs1.9 -2.4 14.7
07/2814:00:002.8 1.4 se14.4 secs1.8 se8.4 secs0.0 se 0.0secs1.6 -1.9 14.4

 

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
13:00:00 (GMT) on 07/29
Combined Sea Height:3.9 ft
Dominant Period:8.0 secs
Wind Speed: 5.8 kts
Wind Gust: 7.8 kts
Wind Direction:320 degrees
Barometric Pressure:1017.9 mbs
Air Temperature: 56.3 degrees
Water Temperature:62.2 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)
07/2913:00:003.98.05.87.83201017.956.362.2
07/2912:00:004.38.05.87.83301017.556.762.2
07/2911:00:004.38.03.95.83401017.756.862.1
07/2910:00:004.68.03.95.83001017.756.862.1
07/2909:00:004.38.05.85.83201017.757.261.9
07/2908:00:004.68.03.93.92701018.056.862.1
07/2907:00:004.38.03.95.83101017.957.662.2
07/2906:00:003.98.05.87.82901018.057.662.4
07/2905:00:004.39.01.95.82801018.057.962.4
07/2904:00:004.38.01.95.82801018.158.162.6
07/2903:00:004.39.03.97.83001017.658.562.6
07/2902:00:003.98.05.87.83001017.659.062.6
07/2901:00:004.38.03.97.82901017.559.262.4
07/2900:00:004.68.03.97.82701017.759.262.8
07/2823:00:004.68.03.97.82701018.159.562.8
07/2822:00:004.68.03.95.82601018.559.262.8
07/2821:00:004.38.05.87.82501018.859.062.8
07/2820:00:004.69.03.95.82201018.858.562.6
07/2819:00:004.38.01.93.92601018.758.362.4
07/2818:00:004.38.03.93.92801018.757.662.2
07/2817:00:004.69.01.91.92801018.457.062.2
07/2816:00:004.68.00.01.90001018.456.762.2
07/2815:00:003.98.03.93.92501018.156.562.1
07/2814:00:004.38.03.95.82901017.456.562.1

 

000099516 ___0.257828
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