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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)05/03
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 05/03
Sea Height:7.7 ft
Primary Swell Height: 7.3 ft
Primary Swell Period: 14.2 secs
Surf Height8.3 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)
05/0307:00:007.7 7.3 se14.2 secs2.6 se10.6 secs0.0 se 0.0secs8.3 -10.3 14.2
05/0306:00:007.5 7.0 se14.0 secs2.4 se10.5 secs0.4 se 6.2secs7.9 -9.9 14.0
05/0305:00:006.7 6.3 se14.3 secs2.2 se10.5 secs0.5 se 6.7secs7.2 -9.0 14.3
05/0304:00:006.0 5.5 se14.5 secs2.3 se10.5 secs0.3 se 20.0secs6.4 -8.0 14.5
05/0303:00:005.5 4.9 se14.3 secs2.4 se10.6 secs0.5 se 20.0secs5.6 -7.0 14.3
05/0302:00:005.3 5.0 se14.5 secs1.8 se10.4 secs0.3 se 20.0secs5.7 -7.2 14.5
05/0301:00:005.1 4.5 se14.3 secs2.1 se10.5 secs0.7 se 7.2secs5.1 -6.4 14.3
05/0300:00:005.3 4.9 se14.5 secs1.8 se10.5 secs0.4 se 20.0secs5.7 -7.1 14.5
05/0223:00:005.3 4.9 se14.5 secs1.9 se10.3 secs0.4 se 20.0secs5.7 -7.1 14.5
05/0222:00:004.6 4.0 se14.5 secs3.0 se11.5 secs0.5 se 20.0secs4.7 -5.8 14.5
05/0221:00:004.9 4.3 se14.4 secs2.0 se10.4 secs0.3 se 20.0secs4.9 -6.1 14.4
05/0220:00:004.8 4.1 se14.2 secs2.1 se10.4 secs0.7 se 7.2secs4.7 -5.9 14.2
05/0219:00:004.4 3.5 se14.5 secs2.8 se11.5 secs0.6 se 20.0secs4.1 -5.1 14.5
05/0218:00:005.4 4.7 se14.3 secs2.3 se10.4 secs0.3 se 20.0secs5.4 -6.7 14.3
05/0217:00:005.4 4.8 se14.3 secs2.2 se10.5 secs0.5 se 20.0secs5.5 -6.9 14.3
05/0216:00:004.9 4.2 se14.3 secs2.3 se10.4 secs0.8 se 7.2secs4.8 -6.0 14.3
05/0215:00:005.6 5.1 se14.3 secs2.0 se10.4 secs0.4 se 20.0secs5.8 -7.3 14.3
05/0214:00:004.8 4.3 se14.4 secs1.8 se10.5 secs0.6 se 20.0secs5.0 -6.2 14.4
05/0213:00:005.6 5.1 se14.5 secs2.0 se10.4 secs0.7 se 7.3secs5.9 -7.4 14.5
05/0212:00:004.9 4.2 se14.1 secs1.9 se17.2 secs2.2 se 10.5secs4.7 -5.9 14.1
05/0211:00:005.7 4.9 se14.5 secs2.6 se10.5 secs0.6 se 20.0secs5.7 -7.1 14.5
05/0210:00:004.7 4.1 se14.4 secs1.6 se10.4 secs0.6 se 20.0secs4.8 -5.9 14.4
05/0209:00:004.8 3.9 se14.5 secs3.0 se11.5 secs0.7 se 20.0secs4.5 -5.7 14.5
05/0208:00:005.2 4.3 se14.5 secs2.7 se18.0 secs2.2 se 10.3secs5.0 -6.2 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
07:00:00 (GMT) on 05/03
Combined Sea Height:5.2 ft
Dominant Period:15.0 secs
Wind Speed: 0.0 kts
Wind Gust: 1.9 kts
Wind Direction:000 degrees
Barometric Pressure:1017.9 mbs
Air Temperature: 32.0 degrees
Water Temperature:51.6 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)
05/0307:00:005.215.00.01.90001017.932.051.6
05/0306:00:008.214.03.95.82801018.132.051.6
05/0305:00:007.914.01.93.92901018.232.052.0
05/0304:00:006.915.00.03.90001018.132.052.3
05/0303:00:006.215.01.93.92701017.732.052.9
05/0302:00:005.915.01.93.92201017.232.053.1
05/0301:00:005.615.01.93.91201017.232.052.0
05/0300:00:005.215.03.93.90701017.532.052.2
05/0223:00:005.615.00.01.90001017.932.051.8
05/0222:00:005.615.01.93.93101018.232.051.8
05/0221:00:004.916.01.93.92601018.732.052.0
05/0220:00:005.215.03.93.92001018.832.052.3
05/0219:00:005.213.05.85.81801019.032.052.0
05/0218:00:004.914.05.87.81501019.032.051.4
05/0217:00:005.913.05.85.81601018.832.051.3
05/0216:00:005.913.05.87.81501018.532.051.3
05/0215:00:005.613.07.811.71801018.232.051.4
05/0214:00:005.913.03.95.81801017.832.052.0
05/0213:00:005.213.05.87.81801017.032.051.4
05/0212:00:005.913.09.811.71801016.332.051.1
05/0211:00:005.213.09.811.71701015.832.050.9
05/0210:00:006.212.09.811.71801015.932.050.9
05/0209:00:005.213.09.811.71701015.632.051.1
05/0208:00:005.616.07.89.81701015.632.051.1

 

000117611 ___0.225274
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