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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)08/02
08:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
08:00:00 (GMT) on 08/02
Sea Height:2.7 ft
Primary Swell Height: 2.0 ft
Primary Swell Period: 14.2 secs
Surf Height2.2 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)
08/0208:00:002.7 2.0 se14.2 secs0.8 se17.4 secs1.3 se 8.3secs2.2 -2.8 14.2
08/0207:00:002.5 1.7 se14.2 secs0.7 se17.2 secs1.4 se 8.3secs1.9 -2.4 14.2
08/0206:00:002.5 1.8 se14.1 secs0.7 se17.3 secs1.2 se 8.3secs2.0 -2.6 14.1
08/0205:00:002.8 1.9 se14.0 secs0.7 se17.4 secs1.4 se 8.2secs2.2 -2.7 14.0
08/0204:00:002.6 1.9 se14.4 secs1.3 se8.3 secs0.2 se 20.0secs2.2 -2.8 14.4
08/0203:00:002.6 1.9 se14.4 secs1.0 se10.1 secs0.7 se 6.8secs2.2 -2.8 14.4
08/0202:00:002.5 1.9 se14.4 secs0.9 se17.5 secs1.0 se 10.1secs2.2 -2.7 14.4
08/0201:00:002.5 2.0 se14.3 secs0.9 se10.1 secs0.2 se 20.0secs2.3 -2.9 14.3
08/0200:00:002.2 1.6 se14.2 secs0.6 se17.3 secs0.9 se 10.2secs1.8 -2.3 14.2
08/0123:00:002.4 2.0 se14.2 secs0.9 se17.3 secs0.9 se 10.3secs2.3 -2.8 14.2
08/0122:00:002.5 2.1 se14.2 secs0.8 se17.4 secs0.9 se 10.2secs2.4 -3.0 14.2
08/0121:00:002.2 1.7 se14.3 secs0.8 se17.4 secs0.9 se 9.0secs2.0 -2.5 14.3
08/0120:00:002.7 2.2 se14.2 secs0.9 se17.4 secs1.0 se 10.2secs2.5 -3.2 14.2
08/0119:00:002.7 2.3 se14.4 secs1.1 se9.0 secs0.2 se 20.0secs2.6 -3.2 14.4
07/3123:00:002.7 1.9 se14.7 secs1.4 se11.3 secs1.0 se 7.8secs2.3 -2.8 14.7
07/3122:00:003.1 2.5 se14.5 secs1.4 se17.6 secs1.2 se 10.0secs2.9 -3.6 14.5
07/3121:00:003.0 2.2 se14.5 secs1.2 se17.6 secs1.6 se 11.4secs2.6 -3.2 14.5
07/3120:00:003.0 2.2 se14.4 secs1.1 se17.7 secs1.7 se 11.4secs2.5 -3.1 14.4
07/3119:00:003.2 2.3 se15.9 secs1.5 se11.3 secs0.6 se 20.0secs2.9 -3.6 15.9
07/3118:00:003.5 2.6 se16.0 secs1.5 se11.2 secs0.5 se 20.0secs3.3 -4.2 16.0
07/3117:00:003.3 2.3 se16.0 secs1.6 se11.3 secs0.5 se 20.0secs2.9 -3.6 16.0
07/3116:00:003.5 2.7 se15.8 secs1.8 se11.2 secs0.5 se 20.0secs3.4 -4.2 15.8
07/3115:00:003.4 2.2 se16.4 secs2.1 se12.7 secs1.7 se 9.2secs2.8 -3.5 16.4
07/3114:00:003.4 2.7 se14.5 secs1.6 se11.4 secs1.1 se 7.8secs3.1 -3.9 14.5

 

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
08:00:00 (GMT) on 08/02
Combined Sea Height:3.6 ft
Dominant Period:14.0 secs
Wind Speed: 7.8 kts
Wind Gust: 9.8 kts
Wind Direction:280 degrees
Barometric Pressure:1014.9 mbs
Air Temperature: 63.5 degrees
Water Temperature:63.3 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)
08/0208:00:003.614.07.89.82801014.963.563.3
08/0207:00:003.613.05.87.82901015.263.963.5
08/0206:00:003.38.03.95.83001015.564.063.9
08/0205:00:003.313.07.87.83101015.664.063.9
08/0204:00:003.613.07.87.82901015.764.464.2
08/0203:00:003.315.09.811.72801015.264.864.0
08/0202:00:003.315.07.89.82901014.964.864.4
08/0201:00:003.314.07.89.82801014.865.765.5
08/0200:00:003.014.07.87.82801014.865.563.1
08/0123:00:002.614.05.87.82801015.065.363.5
08/0122:00:003.013.05.87.82901015.265.564.6
08/0121:00:003.014.03.93.92601015.666.063.3
08/0120:00:003.014.01.93.91601016.164.263.9
08/0119:00:003.314.03.93.91401016.763.763.1
07/3123:00:003.915.01.93.92801016.663.763.0
07/3122:00:003.316.03.93.92901017.063.563.0
07/3121:00:003.614.03.93.92601017.763.562.4
07/3120:00:003.614.03.95.82701017.363.062.4
07/3119:00:003.614.03.93.92801017.762.862.1
07/3118:00:003.914.03.93.92801017.762.461.9
07/3117:00:003.915.03.95.82901017.662.161.9
07/3116:00:003.915.01.93.93301017.761.962.1
07/3115:00:004.315.01.93.93001017.662.262.4
07/3114:00:004.317.00.01.90001017.761.962.2

 

000107360 ___0.244622
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