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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)10/02
15:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
15:00:00 (GMT) on 10/02
Sea Height:5.3 ft
Primary Swell Height: 3.9 ft
Primary Swell Period: 10.0 secs
Surf Height3.1 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)
10/0215:00:005.3 3.9 se10.0 secs1.9 se17.2 secs1.8 se 6.8secs3.1 -3.9 10.0
10/0214:00:005.5 4.4 se10.0 secs1.5 se16.6 secs0.7 se 20.0secs3.5 -4.4 10.0
10/0213:00:005.3 4.0 se10.1 secs1.9 se17.0 secs1.7 se 6.8secs3.2 -4.0 10.1
10/0212:00:005.4 3.9 se10.2 secs2.2 se17.0 secs1.9 se 7.2secs3.2 -4.0 10.2
10/0211:00:005.5 4.2 se10.0 secs1.8 se14.1 secs1.1 se 18.3secs3.4 -4.2 10.0
10/0210:00:005.8 4.6 se10.2 secs1.7 se17.2 secs1.6 se 6.8secs3.8 -4.7 10.2
10/0208:00:005.8 4.6 se10.2 secs1.8 se17.1 secs1.2 se 20.9secs3.7 -4.6 10.2
10/0207:00:005.3 3.6 se11.0 secs1.8 se17.2 secs2.2 se 7.8secs3.2 -3.9 11.0
10/0206:00:005.5 4.1 se10.1 secs1.7 se14.3 secs0.9 se 17.9secs3.3 -4.1 10.1
10/0205:00:005.7 4.5 se10.2 secs1.1 se16.9 secs0.7 se 20.0secs3.7 -4.6 10.2
10/0204:00:005.9 4.6 se10.1 secs1.8 se14.0 secs1.1 se 18.5secs3.7 -4.6 10.1
10/0203:00:005.0 3.6 se11.0 secs1.7 se14.1 secs1.0 se 18.2secs3.2 -4.0 11.0
10/0202:00:005.4 4.1 se10.1 secs2.0 se14.1 secs0.9 se 17.8secs3.3 -4.1 10.1
10/0201:00:005.7 4.3 se10.1 secs1.7 se13.8 secs1.9 se 6.7secs3.5 -4.4 10.1
10/0200:00:005.6 4.5 se10.2 secs1.3 se20.3 secs1.4 se 17.2secs3.7 -4.6 10.2
10/0123:00:006.2 5.1 se10.2 secs1.7 se14.1 secs0.8 se 18.0secs4.1 -5.2 10.2
10/0122:00:005.7 4.5 se10.2 secs1.7 se14.2 secs1.8 se 6.7secs3.7 -4.6 10.2
10/0121:00:005.9 4.3 se10.1 secs2.0 se14.4 secs1.2 se 17.7secs3.5 -4.4 10.1
10/0120:00:006.2 4.2 se11.0 secs2.2 se14.2 secs3.1 se 7.8secs3.7 -4.6 11.0
10/0119:00:006.1 4.5 se10.0 secs2.0 se14.3 secs1.2 se 18.0secs3.6 -4.6 10.0
10/0118:00:005.7 4.0 se10.1 secs1.6 se14.0 secs2.2 se 6.7secs3.2 -4.0 10.1
10/0117:00:006.3 4.8 se10.1 secs2.0 se13.9 secs2.2 se 6.7secs3.8 -4.8 10.1
10/0116:00:006.3 4.1 se11.0 secs3.3 se7.8 secs1.3 se 15.3secs3.6 -4.5 11.0
10/0115:00:006.9 5.4 se10.1 secs2.0 se13.7 secs2.2 se 6.8secs4.4 -5.5 10.1

 

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
15:00:00 (GMT) on 10/02
Combined Sea Height:7.2 ft
Dominant Period:10.0 secs
Wind Speed: 7.8 kts
Wind Gust: 7.8 kts
Wind Direction:340 degrees
Barometric Pressure:1015.4 mbs
Air Temperature: 63.1 degrees
Water Temperature:62.6 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)
10/0215:00:007.210.07.87.83401015.463.162.6
10/0214:00:007.210.07.89.83501014.962.262.4
10/0213:00:007.510.05.87.83401014.661.962.4
10/0212:00:006.99.05.87.83401013.961.762.2
10/0211:00:006.911.07.87.83401013.661.562.4
10/0210:00:007.59.07.89.83501013.661.762.4
10/0209:00:007.511.05.87.83501014.161.962.4
10/0207:00:007.511.07.89.83201013.662.162.2
10/0206:00:007.210.05.87.83301013.662.162.2
10/0205:00:007.510.09.811.73201013.462.162.2
10/0204:00:007.511.07.89.83201013.462.262.2
10/0203:00:007.99.07.89.83301012.962.462.4
10/0202:00:006.910.09.811.73301012.362.862.6
10/0201:00:007.29.011.715.63301011.862.862.8
10/0200:00:007.910.015.619.53301011.563.062.6
10/0123:00:007.510.013.715.63301011.463.362.6
10/0122:00:008.510.013.715.63301011.563.362.6
10/0121:00:007.910.015.619.53201011.462.862.6
10/0120:00:007.910.015.619.53201011.862.462.6
10/0119:00:008.510.013.715.63201012.462.262.4
10/0118:00:008.29.011.715.63201012.762.262.4
10/0117:00:007.99.09.811.73201013.162.162.1
10/0116:00:008.59.09.811.73201012.961.962.1
10/0115:00:008.910.09.811.73301012.661.961.9

 

000100492 ___0.255536
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