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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)03/02
03:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
03:00:00 (GMT) on 03/02
Sea Height:4.3 ft
Primary Swell Height: 3.4 ft
Primary Swell Period: 14.7 secs
Surf Height4.0 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)
03/0203:00:004.3 3.4 se14.7 secs2.8 se11.3 secs0.6 se 20.0secs4.0 -5.0 14.7
03/0202:00:004.7 3.7 se16.6 secs3.0 se12.7 secs1.2 se 20.0secs4.9 -6.2 16.6
03/0201:00:004.8 3.5 se16.5 secs3.1 se12.6 secs0.9 se 20.0secs4.7 -5.8 16.5
03/0200:00:004.8 3.5 se16.4 secs3.1 se12.7 secs0.9 se 20.0secs4.7 -5.8 16.4
03/0123:00:004.9 3.8 se14.7 secs3.3 se11.5 secs0.8 se 20.0secs4.4 -5.6 14.7
03/0122:00:004.5 3.4 se14.5 secs2.4 se17.6 secs3.0 se 11.5secs3.9 -4.9 14.5
03/0121:00:005.4 3.7 se14.3 secs2.2 se17.7 secs3.4 se 10.3secs4.2 -5.2 14.3
03/0120:00:005.3 3.7 se14.7 secs3.8 se11.4 secs1.0 se 20.0secs4.3 -5.4 14.7
03/0119:00:005.1 3.4 se14.5 secs2.6 se17.9 secs3.7 se 11.5secs3.9 -4.9 14.5
03/0118:00:005.2 3.5 se14.5 secs2.5 se17.5 secs3.7 se 11.4secs4.0 -5.0 14.5
03/0117:00:005.0 3.8 se12.2 secs1.9 se16.3 secs2.1 se 9.2secs3.7 -4.7 12.2
03/0116:00:004.6 3.3 se12.2 secs2.0 se16.6 secs1.7 se 8.4secs3.2 -4.0 12.2
03/0115:00:004.8 3.6 se12.2 secs1.8 se16.8 secs0.7 se 20.0secs3.5 -4.4 12.2
03/0114:00:005.1 3.3 se14.4 secs3.8 se11.3 secs2.1 se 18.7secs3.7 -4.7 14.4
03/0113:00:005.0 3.9 se12.1 secs2.0 se16.8 secs0.8 se 20.0secs3.7 -4.7 12.1
03/0112:00:004.8 3.7 se12.3 secs1.8 se16.2 secs2.0 se 9.2secs3.6 -4.6 12.3
03/0111:00:004.5 3.3 se12.3 secs1.6 se16.1 secs2.1 se 9.3secs3.3 -4.1 12.3
03/0110:00:005.4 4.0 se12.3 secs2.0 se16.7 secs1.1 se 20.0secs4.0 -5.0 12.3
03/0109:00:005.6 4.4 se12.3 secs2.2 se16.6 secs2.2 se 9.1secs4.3 -5.4 12.3
03/0108:00:005.1 3.5 se13.7 secs2.6 se10.2 secs1.0 se 17.9secs3.9 -4.8 13.7
03/0107:00:004.8 3.7 se12.5 secs2.0 se16.2 secs2.1 se 9.1secs3.8 -4.7 12.5
03/0106:00:005.3 4.1 se12.4 secs2.0 se15.9 secs2.1 se 9.2secs4.1 -5.1 12.4
03/0105:00:005.1 4.0 se12.5 secs2.0 se15.8 secs2.1 se 9.3secs4.0 -5.0 12.5
03/0104:00:005.2 3.9 se12.7 secs2.4 se15.8 secs2.3 se 9.2secs4.0 -5.0 12.7

 

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
04:00:00 (GMT) on 03/02
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:150 degrees
Barometric Pressure:1017.7 mbs
Air Temperature: 48.2 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)
03/0204:00:000.00.03.95.81501017.748.232.0
03/0203:00:000.00.05.87.81401017.948.032.0
03/0202:00:000.00.03.95.81101017.848.032.0
03/0201:00:000.00.03.95.81501017.948.932.0
03/0200:00:000.00.07.811.71301017.648.232.0
03/0123:00:000.00.09.813.71301018.447.332.0
03/0122:00:000.00.09.813.71401018.847.332.0
03/0121:00:000.00.09.811.71401019.747.832.0
03/0120:00:000.00.09.813.70000.048.032.0
03/0119:00:000.00.03.95.81301021.547.832.0
03/0118:00:000.00.00.01.90001021.847.732.0
03/0117:00:000.00.03.95.82701022.146.932.0
03/0116:00:000.00.05.87.81901021.947.832.0
03/0115:00:000.00.07.89.81801021.747.332.0
03/0114:00:000.00.07.89.82001021.447.532.0
03/0113:00:000.00.09.813.71501020.847.532.0
03/0112:00:000.00.09.813.71501020.747.332.0
03/0111:00:000.00.05.89.81501021.146.932.0
03/0110:00:000.00.03.95.81701021.346.632.0
03/0109:00:000.00.01.95.80000.046.432.0
03/0108:00:000.00.01.91.92301021.946.432.0
03/0107:00:000.00.03.95.83101021.946.432.0
03/0106:00:000.00.00.01.90001022.246.232.0
03/0105:00:000.00.05.87.80101022.146.432.0

 

000170890 ___0.017971
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