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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)07/28
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 07/28
Sea Height:3.1 ft
Primary Swell Height: 2.0 ft
Primary Swell Period: 14.3 secs
Surf Height2.3 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)
07/2816:00:003.1 2.0 se14.3 secs1.1 se18.1 secs1.6 se 10.2secs2.3 -2.8 14.3
07/2815:00:003.0 2.2 se14.0 secs1.0 se18.1 secs1.3 se 10.3secs2.4 -3.0 14.0
07/2814:00:003.5 2.6 se13.8 secs1.4 se10.2 secs0.7 se 18.3secs2.9 -3.6 13.8
07/2813:00:003.2 2.4 se14.0 secs1.0 se18.0 secs1.2 se 10.3secs2.7 -3.4 14.0
07/2812:00:003.0 2.2 se14.0 secs0.8 se18.2 secs1.1 se 10.2secs2.5 -3.1 14.0
07/2811:00:003.5 2.6 se14.0 secs1.1 se18.1 secs1.5 se 10.1secs2.9 -3.6 14.0
07/2810:00:003.5 2.5 se14.1 secs1.2 se18.1 secs1.6 se 8.4secs2.9 -3.6 14.1
07/2809:00:003.1 1.9 se14.2 secs1.7 se8.4 secs0.8 se 17.6secs2.2 -2.7 14.2
07/2808:00:003.3 2.4 se14.0 secs0.9 se18.0 secs1.2 se 10.2secs2.7 -3.3 14.0
07/2807:00:003.0 2.1 se14.0 secs0.7 se17.7 secs1.4 se 8.3secs2.3 -2.9 14.0
07/2806:00:003.0 2.2 se14.2 secs0.9 se17.9 secs1.1 se 10.1secs2.5 -3.1 14.2
07/2805:00:003.1 2.1 se14.2 secs1.0 se18.2 secs1.1 se 10.1secs2.4 -3.0 14.2
07/2804:00:003.2 2.2 se12.8 secs1.6 se9.0 secs0.6 se 16.7secs2.3 -2.8 12.8
07/2803:00:003.5 2.5 se13.9 secs0.9 se19.0 secs1.3 se 10.1secs2.8 -3.5 13.9
07/2802:00:003.0 2.1 se14.1 secs0.9 se18.3 secs1.2 se 10.0secs2.4 -3.0 14.1
07/2801:00:003.3 2.5 se13.9 secs0.8 se17.5 secs1.6 se 8.4secs2.8 -3.5 13.9
07/2800:00:003.4 2.6 se14.1 secs0.9 se17.9 secs1.4 se 10.0secs3.0 -3.7 14.1
07/2723:00:003.3 2.6 se14.1 secs0.9 se17.7 secs1.3 se 10.0secs2.9 -3.7 14.1
07/2722:00:003.4 2.5 se14.2 secs0.9 se17.5 secs1.7 se 8.4secs2.8 -3.5 14.2
07/2721:00:003.3 2.2 se14.1 secs0.9 se17.4 secs1.7 se 8.4secs2.4 -3.1 14.1
07/2720:00:003.7 2.8 se14.2 secs1.0 se17.7 secs1.7 se 8.4secs3.2 -4.1 14.2
07/2719:00:003.1 2.1 se14.0 secs1.3 se10.1 secs1.2 se 6.7secs2.4 -2.9 14.0
07/2718:00:003.3 2.4 se14.2 secs1.0 se17.7 secs1.4 se 10.1secs2.8 -3.4 14.2
07/2717:00:003.5 2.7 se14.3 secs1.2 se17.3 secs1.3 se 10.0secs3.1 -3.8 14.3

 

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
16:00:00 (GMT) on 07/28
Combined Sea Height:3.9 ft
Dominant Period:14.0 secs
Wind Speed: 3.9 kts
Wind Gust: 3.9 kts
Wind Direction:180 degrees
Barometric Pressure:1018.5 mbs
Air Temperature: 55.9 degrees
Water Temperature:32.0 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)
07/2816:00:003.914.03.93.91801018.555.932.0
07/2815:00:003.613.00.01.90001018.355.932.0
07/2814:00:004.314.03.95.82901018.055.832.0
07/2813:00:000.00.01.93.92701017.555.832.0
07/2812:00:000.00.03.95.82801017.355.832.0
07/2811:00:000.00.00.01.90001017.355.632.0
07/2810:00:000.00.00.00.00001017.355.932.0
07/2809:00:000.00.03.95.82301017.555.832.0
07/2808:00:004.314.03.97.82201017.655.832.0
07/2807:00:003.914.05.87.82301017.655.932.0
07/2806:00:000.00.01.93.92101017.356.732.0
07/2805:00:003.914.03.93.92201017.356.732.0
07/2804:00:003.914.03.95.81801017.156.832.0
07/2803:00:004.313.03.95.82201016.756.832.0
07/2802:00:003.913.03.95.82001016.557.232.0
07/2801:00:000.00.00.01.90001016.557.732.0
07/2800:00:004.314.03.95.82401016.657.632.0
07/2723:00:003.914.03.93.92701016.957.632.0
07/2722:00:004.314.01.93.92801017.157.732.0
07/2721:00:000.00.03.95.82601017.457.932.0
07/2720:00:000.00.03.95.82301017.458.332.0
07/2719:00:000.00.03.93.92001017.558.332.0
07/2718:00:000.00.03.93.91801017.157.732.0
07/2717:00:004.315.03.95.81701017.157.632.0

 

000172621 ___0.027187
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