Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Super El Nino Likely - But What About the PDO? - Video HERE (7/19/26)
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)07/21
02:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 51004
02:00:00 (GMT) on 07/21
Sea Height:5.4 ft
Primary Swell Height: 3.4 ft
Primary Swell Period: 14.3 secs
Surf Height3.7 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)
07/2102:00:005.4 3.4 se14.3 secs2.8 se7.7 secs0.0 se 0.0secs3.7 -4.2 14.3
07/2101:00:005.7 3.1 se14.2 secs3.7 se7.7 secs1.3 se 17.6secs3.2 -3.7 14.2
07/2100:00:005.2 3.0 se14.3 secs1.5 se17.3 secs2.9 se 7.7secs3.3 -3.7 14.3
07/2023:00:005.4 3.5 se14.1 secs2.9 se7.7 secs0.0 se 0.0secs3.7 -4.2 14.1
07/2022:00:005.2 3.4 se14.6 secs2.5 se7.8 secs0.2 se 20.0secs3.7 -4.2 14.6
07/2021:00:005.2 3.0 se14.4 secs2.7 se8.2 secs0.3 se 20.0secs3.2 -3.7 14.4
07/2020:00:005.6 3.8 se14.6 secs2.5 se11.5 secs2.6 se 7.7secs4.1 -4.7 14.6
07/2019:00:005.3 3.3 se14.4 secs2.8 se7.8 secs0.4 se 20.0secs3.6 -4.1 14.4
07/2018:00:005.2 3.8 se14.8 secs1.8 se11.5 secs2.6 se 7.7secs4.2 -4.7 14.8
07/2017:00:005.1 3.3 se14.3 secs1.6 se17.6 secs2.9 se 7.7secs3.5 -4.0 14.3
07/2016:00:004.5 2.6 se14.5 secs1.8 se11.5 secs2.6 se 7.7secs2.8 -3.2 14.5
07/2015:00:005.1 3.3 se14.3 secs1.7 se17.8 secs2.8 se 7.8secs3.5 -4.0 14.3
07/2014:00:005.0 3.3 se16.1 secs2.4 se8.3 secs1.7 se 11.6secs4.0 -4.6 16.1
07/2013:00:004.9 3.2 se14.7 secs2.0 se11.6 secs2.6 se 7.7secs3.5 -3.9 14.7
07/2012:00:005.2 3.4 se15.8 secs2.5 se8.3 secs1.6 se 11.6secs4.1 -4.6 15.8
07/2011:00:004.9 3.1 se16.2 secs2.5 se13.0 secs2.7 se 7.7secs3.7 -4.2 16.2
07/2010:00:005.2 3.1 se16.1 secs2.8 se13.0 secs2.6 se 8.2secs3.7 -4.2 16.1
07/2009:00:005.9 4.0 se16.4 secs3.1 se13.1 secs1.2 se 20.8secs5.0 -5.6 16.4
07/2008:00:005.6 3.6 se15.0 secs3.2 se8.3 secs1.7 se 11.4secs4.0 -4.6 15.0
07/2007:00:005.3 3.5 se16.0 secs1.8 se11.5 secs2.3 se 8.3secs4.2 -4.8 16.0
07/2006:00:005.7 4.1 se16.1 secs2.6 se8.3 secs1.4 se 11.4secs5.0 -5.7 16.1
07/2005:00:005.5 3.5 se16.2 secs2.5 se13.1 secs3.0 se 7.8secs4.2 -4.8 16.2
07/2004:00:005.2 3.0 se16.5 secs2.3 se12.9 secs2.7 se 7.7secs3.7 -4.2 16.5
07/2003:00:005.4 3.1 se16.1 secs2.7 se13.1 secs2.8 se 8.3secs3.8 -4.3 16.1

 

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 51004
02:50:00 (GMT) on 07/21
Combined Sea Height:7.9 ft
Dominant Period:8.0 secs
Wind Speed: 17.6 kts
Wind Gust: 23.4 kts
Wind Direction:080 degrees
Barometric Pressure:1010.1 mbs
Air Temperature: 80.4 degrees
Water Temperature:82.0 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)
07/2102:50:007.98.017.623.40801010.180.482.0
07/2101:50:007.915.017.621.40801010.080.682.0
07/2100:50:008.28.019.521.40801010.280.682.0
07/2023:50:007.98.019.523.40901010.380.682.0
07/2022:50:007.515.019.523.40901010.980.682.0
07/2021:50:007.28.017.621.40901011.780.682.0
07/2020:50:007.28.019.521.40801012.480.681.9
07/2019:50:007.28.017.619.50901013.080.832.0
07/2018:50:007.50.015.619.50901012.980.832.0
07/2017:50:007.215.015.619.51001012.780.681.9
07/2016:50:006.915.015.617.60901012.380.681.9
07/2015:50:007.28.013.717.60901011.880.681.9
07/2014:50:006.98.01.93.90601011.877.481.9
07/2013:50:006.915.011.715.60701011.879.081.9
07/2012:50:006.68.013.715.60801011.979.981.9
07/2011:50:006.615.013.717.60901012.180.181.9
07/2010:50:006.98.013.717.60801012.580.281.9
07/2009:50:006.916.013.717.60701012.680.181.9
07/2008:50:007.28.013.717.60601013.379.981.9
07/2007:50:006.98.015.619.50601013.380.481.9
07/2006:50:007.28.013.717.60701013.380.832.0
07/2005:50:007.216.011.715.60701013.280.881.9
07/2004:50:007.58.013.717.60701012.680.281.9
07/2003:50:007.28.013.715.60601012.280.282.0

 

000031540 ___0.02468
.
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