Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Major Kelvin Wave Developing As West Anomalies Blow! - Watch the Video HERE (4/5/26)
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)04/10
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 04/10
Sea Height:5.3 ft
Primary Swell Height: 3.1 ft
Primary Swell Period: 14.1 secs
Surf Height3.3 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)
04/1021:00:005.3 3.1 se14.1 secs3.0 se7.7 secs0.0 se 0.0secs3.3 -3.8 14.1
04/1020:00:005.3 3.2 se14.0 secs2.8 se8.3 secs0.0 se 0.0secs3.4 -3.8 14.0
04/1019:00:005.0 2.7 se13.9 secs3.0 se8.3 secs0.0 se 0.0secs2.9 -3.2 13.9
04/1018:00:005.9 3.9 se14.6 secs2.6 se11.5 secs2.7 se 8.3secs4.3 -4.8 14.6
04/1017:00:005.2 3.4 se14.3 secs1.9 se10.2 secs2.4 se 7.2secs3.7 -4.1 14.3
04/1016:00:005.4 3.6 se14.3 secs2.2 se10.3 secs2.5 se 7.2secs3.9 -4.4 14.3
04/1015:00:005.0 3.0 se14.2 secs2.4 se7.7 secs0.0 se 0.0secs3.2 -3.7 14.2
04/1014:00:004.9 2.9 se14.4 secs2.5 se11.3 secs2.2 se 7.7secs3.1 -3.6 14.4
04/1013:00:005.4 3.6 se14.3 secs2.4 se10.1 secs2.2 se 6.7secs3.8 -4.3 14.3
04/1012:00:005.2 3.4 se14.2 secs2.5 se7.7 secs0.0 se 0.0secs3.6 -4.1 14.2
04/1011:00:005.7 4.2 se14.4 secs2.0 se10.2 secs2.3 se 7.1secs4.5 -5.1 14.4
04/1010:00:005.5 3.8 se14.3 secs2.0 se10.2 secs2.2 se 7.1secs4.1 -4.7 14.3
04/1009:00:005.0 3.4 se14.5 secs2.3 se11.3 secs2.0 se 7.7secs3.7 -4.2 14.5
04/1008:00:005.5 3.7 se14.3 secs2.2 se10.3 secs2.2 se 7.2secs4.0 -4.5 14.3
04/1007:00:005.0 3.7 se14.7 secs2.1 se11.4 secs2.1 se 8.3secs4.1 -4.6 14.7
04/1006:00:004.8 3.3 se14.4 secs2.1 se10.2 secs1.8 se 7.2secs3.5 -4.0 14.4
04/1005:00:005.3 3.8 se14.4 secs2.9 se11.4 secs2.2 se 8.3secs4.1 -4.6 14.4
04/1004:00:005.4 4.0 se14.6 secs2.2 se11.5 secs2.0 se 8.4secs4.4 -5.0 14.6
04/1003:00:005.3 3.6 se14.6 secs2.7 se11.4 secs2.0 se 8.4secs4.0 -4.5 14.6
04/1002:00:005.5 3.8 se14.4 secs2.4 se10.2 secs1.9 se 6.7secs4.1 -4.7 14.4
04/1001:00:005.8 4.3 se14.7 secs2.7 se11.4 secs2.0 se 8.3secs4.7 -5.4 14.7
04/1000:00:005.9 4.2 se14.6 secs2.9 se11.4 secs2.4 se 8.3secs4.6 -5.3 14.6
04/0923:00:005.1 3.6 se14.3 secs2.2 se10.3 secs1.8 se 7.2secs3.8 -4.3 14.3
04/0922:00:006.1 4.8 se14.3 secs2.3 se10.2 secs1.6 se 6.7secs5.2 -5.9 14.3

 

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
20:50:00 (GMT) on 04/10
Combined Sea Height:6.9 ft
Dominant Period:8.0 secs
Wind Speed: 11.7 kts
Wind Gust: 13.7 kts
Wind Direction:080 degrees
Barometric Pressure:1015.0 mbs
Air Temperature: 77.2 degrees
Water Temperature:77.4 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)
04/1020:50:006.98.011.713.70801015.077.277.4
04/1019:50:007.58.013.715.60801014.877.277.4
04/1018:50:006.67.011.713.70901014.977.277.4
04/1017:50:007.514.013.715.60901014.377.232.0
04/1016:50:007.213.017.621.40901012.877.077.4
04/1015:50:007.215.017.623.40901012.577.077.4
04/1014:50:007.515.015.619.50901012.376.877.4
04/1013:50:007.57.015.619.50901012.476.877.4
04/1012:50:007.915.017.619.50901012.376.877.4
04/1011:50:007.215.017.621.40901012.676.877.4
04/1010:50:007.214.017.621.40901013.177.077.4
04/1009:50:007.215.017.619.50801013.877.077.4
04/1008:50:006.915.015.619.50801014.377.277.4
04/1007:50:006.68.017.621.40801014.577.477.4
04/1006:50:006.916.017.621.40901013.577.477.4
04/1005:50:006.615.017.621.40801013.077.477.4
04/1004:50:006.915.017.621.40801012.577.477.4
04/1003:50:006.915.015.619.50801012.477.277.4
04/1002:50:006.614.015.617.60901012.077.277.4
04/1001:50:007.215.015.617.60801011.577.277.4
04/1000:50:006.615.011.715.60801011.477.477.5
04/0923:50:006.914.013.715.60801011.977.277.4
04/0922:50:007.215.013.717.60901012.677.277.4
04/0921:50:006.915.013.717.60801013.777.277.4

 

000031102 ___0.030425
.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2026 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