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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)07/22
07:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
07:00:00 (GMT) on 07/22
Sea Height:3.2 ft
Primary Swell Height: 2.2 ft
Primary Swell Period: 12.3 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)
07/2207:00:003.2 2.2 se12.3 secs1.8 se9.2 secs0.9 se 15.5secs2.2 -2.7 12.3
07/2206:00:002.9 1.9 se12.3 secs1.6 se9.2 secs0.8 se 15.7secs1.8 -2.3 12.3
07/2205:00:003.0 2.2 se12.1 secs1.4 se8.4 secs0.7 se 16.0secs2.1 -2.7 12.1
07/2204:00:003.3 2.6 se11.1 secs0.8 se15.2 secs1.1 se 7.7secs2.3 -2.9 11.1
07/2203:00:003.3 2.5 se12.2 secs1.0 se15.8 secs1.6 se 9.2secs2.4 -3.0 12.2
07/2202:00:003.2 2.4 se12.3 secs1.1 se15.6 secs1.5 se 9.3secs2.3 -2.9 12.3
07/2201:00:003.1 2.3 se12.2 secs0.8 se15.6 secs1.0 se 8.4secs2.3 -2.9 12.2
07/2200:00:003.1 2.4 se11.1 secs1.0 se15.6 secs1.2 se 7.8secs2.1 -2.6 11.1
07/2123:00:002.9 2.1 se12.4 secs1.0 se15.7 secs1.4 se 9.3secs2.1 -2.7 12.4
07/2122:00:002.8 2.1 se12.3 secs1.4 se9.2 secs0.5 se 19.2secs2.0 -2.5 12.3
07/2121:00:002.8 1.9 se12.4 secs1.0 se15.9 secs1.5 se 9.2secs1.9 -2.4 12.4
07/2120:00:002.9 2.0 se12.4 secs1.5 se9.3 secs0.9 se 15.4secs2.0 -2.5 12.4
07/2119:00:003.1 2.2 se12.3 secs0.9 se15.5 secs1.4 se 9.2secs2.2 -2.7 12.3
07/2118:00:002.9 1.8 se12.4 secs1.3 se9.1 secs0.5 se 19.1secs1.8 -2.2 12.4
07/2117:00:003.4 2.5 se12.2 secs1.5 se9.2 secs0.5 se 16.7secs2.4 -3.0 12.2
07/2116:00:003.3 2.4 se12.4 secs1.5 se8.3 secs0.4 se 18.7secs2.4 -2.9 12.4
07/2115:00:003.2 2.2 se12.4 secs1.7 se7.7 secs0.5 se 18.3secs2.2 -2.7 12.4
07/2114:00:003.1 2.1 se12.5 secs1.1 se15.9 secs1.5 se 8.3secs2.1 -2.6 12.5
07/2113:00:002.9 2.0 se12.7 secs1.3 se8.3 secs0.5 se 18.8secs2.0 -2.5 12.7
07/2112:00:002.9 1.6 se13.9 secs1.6 se7.7 secs0.6 se 18.5secs1.8 -2.3 13.9
07/2111:00:002.6 1.7 se12.7 secs1.1 se15.9 secs1.2 se 8.4secs1.8 -2.2 12.7
07/2110:00:002.9 1.6 se14.0 secs1.6 se7.7 secs0.6 se 18.7secs1.8 -2.2 14.0
07/2109:00:003.0 1.9 se13.8 secs1.6 se7.6 secs0.5 se 19.1secs2.1 -2.6 13.8
07/2108:00:002.9 1.7 se13.8 secs1.6 se7.6 secs0.6 se 19.1secs1.9 -2.4 13.8

 

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
07:00:00 (GMT) on 07/22
Combined Sea Height:3.6 ft
Dominant Period:10.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:140 degrees
Barometric Pressure:1017.5 mbs
Air Temperature: 62.2 degrees
Water Temperature:63.5 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)
07/2207:00:003.610.03.95.81401017.562.263.5
07/2206:00:003.911.01.93.90801017.262.263.7
07/2205:00:003.69.01.93.90801017.462.463.5
07/2204:00:003.911.01.91.90801017.462.663.5
07/2203:00:004.310.01.91.90701016.962.863.5
07/2202:00:003.911.01.91.91301017.163.963.7
07/2201:00:003.911.01.91.91501017.164.264.0
07/2200:00:003.911.03.93.91701017.363.563.9
07/2123:00:003.911.03.93.92201017.663.363.7
07/2122:00:003.612.05.85.82201017.963.163.7
07/2121:00:003.611.05.87.81901018.463.063.1
07/2120:00:003.610.03.95.82101018.662.462.6
07/2119:00:003.610.05.87.82001018.562.862.4
07/2118:00:003.912.07.89.82101018.462.462.4
07/2117:00:003.97.07.87.82201018.261.962.8
07/2116:00:004.311.07.89.82101017.662.463.1
07/2115:00:004.312.03.95.82101017.062.663.1
07/2114:00:004.311.05.87.82401016.562.162.6
07/2113:00:003.912.07.89.82201015.862.862.1
07/2112:00:003.613.03.93.92001015.462.661.9
07/2111:00:003.68.03.97.82001015.262.661.9
07/2110:00:003.314.00.01.90001015.362.161.9
07/2109:00:003.97.01.91.92101015.562.461.7
07/2108:00:003.97.01.93.91201015.762.261.7

 

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