Surf Forecasts and Marine Weather - No Hype - Just the Facts!
The Transition Stabilizes - But What's the Future Hold? - Video Forecast HERE (11/30/25)
Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Video
Google
Create Your Own Surf Forecast
Swell Calculator
Swell Decay Tables
Sea Height Tables
Swell Category Table
.

Buoy 51004 Southeast Hawaii
Longitude = 152.52W Latitude = 17.44N
FAQs

 

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)
Measurement Date/Time (GMT)12/01
21:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 51004
21:00:00 (GMT) on 12/01
Sea Height:7.9 ft
Primary Swell Height: 6.4 ft
Primary Swell Period: 16.5 secs
Surf Height8.0 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)
12/0121:00:007.9 6.4 se16.5 secs5.1 se12.9 secs1.9 se 20.0secs8.0 -9.0 16.5
12/0120:00:007.5 6.3 se16.2 secs5.0 se13.1 secs1.5 se 20.0secs7.6 -8.7 16.2
12/0119:00:007.8 6.9 se16.1 secs1.7 se20.0 secs2.8 se 11.5secs8.4 -9.5 16.1
12/0118:00:007.5 6.4 se16.3 secs4.5 se13.0 secs1.3 se 20.0secs7.8 -8.9 16.3
12/0117:00:006.7 5.4 se16.3 secs4.1 se13.0 secs1.4 se 20.0secs6.6 -7.5 16.3
12/0116:00:007.0 5.8 se16.6 secs4.1 se12.9 secs2.0 se 20.0secs7.3 -8.2 16.6
12/0115:00:007.5 6.3 se16.5 secs4.3 se13.0 secs1.7 se 20.0secs7.8 -8.8 16.5
12/0114:00:008.1 7.1 se16.7 secs3.9 se13.0 secs2.3 se 20.0secs8.9 -10.0 16.7
12/0113:00:007.4 6.1 se16.7 secs3.9 se12.8 secs2.0 se 20.0secs7.7 -8.7 16.7
12/0112:00:008.1 7.1 se17.0 secs3.7 se12.8 secs1.6 se 9.2secs9.1 -10.3 17.0
12/0111:00:008.0 6.5 se18.6 secs6.0 se15.1 secs2.9 se 11.5secs9.1 -10.3 18.6
12/0110:00:006.1 4.5 se17.0 secs3.2 se12.6 secs1.8 se 20.0secs5.7 -6.5 17.0
12/0109:00:007.1 6.0 se17.3 secs3.2 se12.7 secs2.1 se 8.3secs7.8 -8.8 17.3
12/0108:00:006.6 5.5 se16.8 secs2.4 se20.0 secs3.5 se 12.9secs6.9 -7.9 16.8
12/0107:00:006.1 5.0 se17.0 secs3.1 se12.9 secs1.8 se 8.4secs6.4 -7.3 17.0
12/0106:00:007.0 6.0 se17.4 secs2.8 se12.9 secs2.2 se 8.2secs7.9 -8.9 17.4
12/0105:00:005.3 4.3 se17.0 secs2.7 se13.0 secs1.5 se 9.1secs5.4 -6.2 17.0
12/0104:00:004.8 3.3 se17.2 secs2.1 se20.4 secs2.5 se 12.8secs4.2 -4.8 17.2
12/0103:00:005.3 4.0 se17.5 secs2.3 se12.7 secs1.9 se 9.1secs5.2 -5.9 17.5
12/0102:00:005.1 3.9 se16.9 secs1.9 se20.9 secs2.8 se 12.9secs5.0 -5.6 16.9
12/0101:00:006.6 5.6 se17.0 secs2.6 se20.5 secs2.8 se 12.9secs7.2 -8.2 17.0
12/0100:00:005.4 4.4 se17.5 secs2.1 se12.9 secs2.0 se 8.3secs5.8 -6.5 17.5
11/3023:00:004.9 3.6 se19.5 secs2.4 se15.0 secs1.9 se 11.2secs5.3 -6.0 19.5
11/3022:00:005.4 4.0 se18.6 secs2.9 se15.0 secs2.1 se 11.4secs5.5 -6.2 18.6

 

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 51004
21:00:00 (GMT) on 12/01
Combined Sea Height:8.5 ft
Dominant Period:16.0 secs
Wind Speed: 9.8 kts
Wind Gust: 13.7 kts
Wind Direction:070 degrees
Barometric Pressure:1015.2 mbs
Air Temperature: 75.9 degrees
Water Temperature:78.3 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)
12/0121:00:008.516.09.813.70701015.275.978.3
12/0120:00:008.50.011.713.70801016.176.178.3
12/0119:00:008.216.011.713.70801016.576.178.3
12/0118:00:008.916.09.813.70801016.776.178.1
12/0117:00:007.916.09.811.70801016.476.178.1
12/0116:00:008.916.011.713.70701015.675.278.1
12/0115:00:008.50.011.713.70701014.975.078.1
12/0114:00:008.50.013.715.60701014.475.478.1
12/0113:00:008.20.013.715.60801014.175.678.1
12/0112:00:008.517.011.715.60801014.475.678.1
12/0111:00:007.50.013.717.60901015.075.732.0
12/0110:00:008.90.015.619.50901015.475.978.1
12/0109:00:007.517.07.817.60701015.974.178.1
12/0108:00:008.217.019.523.40601016.472.378.1
12/0107:00:007.20.015.619.50801016.676.178.1
12/0106:00:007.517.013.715.60801016.576.378.3
12/0105:00:007.217.013.717.60701016.076.578.3
12/0104:00:007.219.011.715.60901015.275.978.3
12/0103:00:006.617.011.715.60701014.876.578.3
12/0102:00:006.919.09.811.70701014.476.678.4
12/0101:00:006.616.09.813.70801014.076.578.4
12/0100:00:006.919.09.813.70901014.076.578.4
11/3023:00:006.917.011.713.70901014.176.578.4
11/3022:00:006.219.011.715.61001014.676.578.3

 

000030843 ___0.022133
.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2025 STORMSURF - All Rights Reserved
This page cannot be duplicated, reused or framed in another window without express written permission.
But links are always welcome.
Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Calculator