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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)05/23
12:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
12:00:00 (GMT) on 05/23
Sea Height:4.2 ft
Primary Swell Height: 2.4 ft
Primary Swell Period: 11.1 secs
Surf Height2.1 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)
05/2312:00:004.2 2.4 se11.1 secs1.4 se14.3 secs2.0 se 7.1secs2.1 -2.7 11.1
05/2311:00:003.6 2.1 se12.1 secs0.9 se15.4 secs1.6 se 8.4secs2.0 -2.5 12.1
05/2310:00:003.3 2.2 se12.3 secs1.5 se9.3 secs0.8 se 16.7secs2.2 -2.8 12.3
05/2309:00:003.1 2.3 se11.1 secs1.2 se14.1 secs0.9 se 7.8secs2.1 -2.6 11.1
05/2308:00:002.8 1.8 se11.1 secs1.3 se14.2 secs1.1 se 7.8secs1.6 -2.0 11.1
05/2307:00:003.1 2.2 se11.1 secs1.4 se14.5 secs1.1 se 7.8secs2.0 -2.5 11.1
05/2306:00:003.2 2.5 se11.1 secs0.8 se15.6 secs1.1 se 7.7secs2.2 -2.8 11.1
05/2305:00:003.4 2.4 se12.2 secs1.2 se15.6 secs1.2 se 8.4secs2.4 -3.0 12.2
05/2304:00:003.0 2.4 se11.2 secs0.6 se15.5 secs1.0 se 7.8secs2.1 -2.7 11.2
05/2303:00:003.1 2.3 se11.2 secs0.7 se15.5 secs1.1 se 7.2secs2.1 -2.6 11.2
05/2302:00:003.1 2.5 se12.0 secs0.7 se15.5 secs1.0 se 8.4secs2.4 -3.0 12.0
05/2301:00:002.9 2.2 se12.1 secs0.7 se15.4 secs1.0 se 8.4secs2.2 -2.7 12.1
05/2300:00:002.7 2.1 se12.3 secs0.8 se15.9 secs1.3 se 9.3secs2.0 -2.5 12.3
05/2223:00:003.1 2.5 se11.2 secs0.8 se15.3 secs0.9 se 7.8secs2.2 -2.8 11.2
05/2222:00:003.1 2.5 se11.2 secs0.7 se16.3 secs0.9 se 7.7secs2.3 -2.8 11.2
05/2221:00:003.2 2.7 se11.3 secs0.7 se15.3 secs1.0 se 7.8secs2.4 -3.1 11.3
05/2220:00:002.9 2.4 se11.3 secs0.8 se16.0 secs0.8 se 7.8secs2.2 -2.7 11.3
05/2219:00:003.4 3.0 se11.2 secs0.8 se16.0 secs0.8 se 7.7secs2.7 -3.4 11.2
05/2218:00:003.6 3.3 se11.2 secs0.8 se15.0 secs0.7 se 7.7secs3.0 -3.7 11.2
05/2217:00:003.0 2.6 se11.2 secs0.9 se16.0 secs0.9 se 7.6secs2.3 -2.9 11.2
05/2216:00:003.2 2.6 se12.2 secs0.9 se15.8 secs0.9 se 8.5secs2.6 -3.2 12.2
05/2215:00:003.3 2.9 se12.2 secs0.9 se15.7 secs0.9 se 8.4secs2.8 -3.5 12.2
05/2214:00:003.3 2.8 se12.1 secs0.9 se16.1 secs0.8 se 8.5secs2.8 -3.5 12.1
05/2213:00:003.9 3.5 se12.1 secs1.0 se15.7 secs1.0 se 7.1secs3.4 -4.3 12.1

 

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
12:00:00 (GMT) on 05/23
Combined Sea Height:6.9 ft
Dominant Period:7.0 secs
Wind Speed: 21.4 kts
Wind Gust: 25.4 kts
Wind Direction:310 degrees
Barometric Pressure:1017.7 mbs
Air Temperature: 55.2 degrees
Water Temperature:55.4 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)
05/2312:00:006.97.021.425.43101017.755.255.4
05/2311:00:006.26.019.523.43101017.755.255.6
05/2310:00:005.211.017.621.43201017.855.455.6
05/2309:00:004.911.017.621.43101017.955.855.6
05/2308:00:004.611.015.621.43101017.856.155.6
05/2307:00:004.610.011.713.73001018.056.555.8
05/2306:00:004.610.09.813.72801018.056.355.9
05/2305:00:004.611.09.811.73001018.256.755.8
05/2304:00:004.611.011.713.73001018.056.855.8
05/2303:00:004.311.011.713.72901017.756.555.6
05/2302:00:004.310.09.811.72901017.456.155.2
05/2301:00:003.911.011.715.62901017.156.755.2
05/2300:00:003.911.011.713.73001017.056.755.4
05/2223:00:003.611.011.715.63001016.856.755.9
05/2222:00:004.310.09.811.72901016.656.555.9
05/2221:00:003.911.09.811.73001016.856.555.8
05/2220:00:003.911.011.715.63001016.856.355.9
05/2219:00:003.612.07.89.82801016.956.755.9
05/2218:00:004.310.05.87.82701016.856.555.9
05/2217:00:004.610.05.87.82801016.556.155.9
05/2216:00:003.611.03.93.92801016.455.956.3
05/2215:00:003.911.03.95.82901016.355.955.9
05/2214:00:003.912.03.95.83101015.755.656.1
05/2213:00:003.911.03.95.83301015.456.155.9

 

000106032 ___0.248686
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