Surf Forecasts and Marine Weather - No Hype - Just the Facts!
El Nino - Becomes Apparent on the Oceans Surface! - Watch the Video HERE (4/19/26)
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)04/24
06:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 51004
06:00:00 (GMT) on 04/24
Sea Height:4.9 ft
Primary Swell Height: 4.1 ft
Primary Swell Period: 12.4 secs
Surf Height3.9 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)
04/2406:00:004.9 4.1 se12.4 secs2.0 se9.3 secs1.0 se 6.3secs3.9 -4.4 12.4
04/2405:00:004.5 3.5 se12.4 secs2.1 se9.2 secs0.5 se 16.7secs3.3 -3.7 12.4
04/2404:00:004.8 3.9 se12.4 secs2.1 se9.3 secs1.3 se 6.3secs3.6 -4.1 12.4
04/2403:00:004.2 3.3 se12.4 secs1.8 se9.3 secs0.5 se 16.7secs3.1 -3.5 12.4
04/2402:00:004.8 3.8 se12.4 secs2.1 se9.2 secs1.2 se 5.9secs3.5 -4.0 12.4
04/2401:00:004.7 3.8 se12.5 secs2.0 se9.2 secs0.5 se 16.7secs3.6 -4.1 12.5
04/2400:00:005.5 4.6 se12.6 secs2.3 se9.3 secs0.6 se 16.7secs4.4 -4.9 12.6
04/2323:00:005.2 4.4 se12.5 secs2.1 se15.8 secs1.8 se 9.1secs4.1 -4.7 12.5
04/2322:00:006.0 5.3 se12.5 secs2.3 se9.3 secs0.6 se 16.7secs4.9 -5.6 12.5
04/2321:00:005.5 4.8 se12.6 secs2.2 se9.2 secs0.5 se 16.7secs4.5 -5.1 12.6
04/2320:00:005.4 4.7 se12.5 secs2.0 se9.3 secs0.7 se 16.7secs4.4 -5.0 12.5
04/2319:00:006.2 5.4 se12.4 secs2.2 se9.3 secs0.7 se 16.7secs5.1 -5.7 12.4
04/2318:00:005.8 5.0 se12.5 secs2.1 se9.3 secs0.7 se 16.7secs4.7 -5.3 12.5
04/2317:00:005.2 4.4 se12.5 secs2.0 se9.2 secs0.6 se 16.7secs4.1 -4.7 12.5
04/2316:00:005.7 4.9 se12.7 secs2.0 se9.2 secs0.9 se 16.7secs4.7 -5.3 12.7
04/2315:00:005.6 4.9 se12.6 secs1.8 se9.2 secs0.9 se 16.7secs4.7 -5.3 12.6
04/2314:00:006.0 5.3 se12.5 secs1.3 se17.2 secs1.7 se 9.1secs5.0 -5.7 12.5
04/2313:00:006.0 5.0 se12.6 secs2.4 se9.3 secs0.8 se 16.7secs4.8 -5.4 12.6
04/2312:00:005.8 4.8 se13.7 secs2.6 se10.4 secs1.4 se 7.2secs4.9 -5.6 13.7
04/2311:00:006.4 5.8 se12.6 secs2.0 se9.3 secs0.8 se 16.7secs5.5 -6.2 12.6
04/2310:00:005.9 4.9 se13.9 secs2.7 se10.3 secs1.2 se 7.2secs5.1 -5.8 13.9
04/2309:00:006.0 5.0 se13.9 secs2.6 se10.4 secs1.6 se 7.2secs5.2 -5.8 13.9
04/2308:00:005.4 4.5 se12.7 secs1.9 se9.2 secs0.9 se 16.7secs4.3 -4.9 12.7
04/2307:00:005.7 5.0 se12.7 secs1.3 se16.7 secs1.6 se 9.2secs4.8 -5.4 12.7

 

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
05:50:00 (GMT) on 04/24
Combined Sea Height:6.6 ft
Dominant Period:12.0 secs
Wind Speed: 15.6 kts
Wind Gust: 17.6 kts
Wind Direction:040 degrees
Barometric Pressure:1015.5 mbs
Air Temperature: 76.8 degrees
Water Temperature:78.6 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)
04/2405:50:006.612.015.617.60401015.576.878.6
04/2404:50:006.211.013.715.60401015.277.078.6
04/2403:50:006.613.013.717.60401014.677.278.8
04/2402:50:006.60.013.717.60501014.177.078.8
04/2401:50:006.611.013.717.60501013.977.278.8
04/2400:50:006.213.013.717.60501014.177.278.8
04/2323:50:006.612.013.715.60601014.677.278.8
04/2322:50:006.912.013.717.60701015.277.279.0
04/2321:50:006.611.011.715.60601015.976.878.8
04/2320:50:006.90.011.713.70601016.977.578.8
04/2319:50:007.213.011.713.70501016.877.532.0
04/2318:50:006.912.09.813.70601016.976.878.6
04/2317:50:007.211.011.713.70801016.676.878.6
04/2316:50:006.914.09.811.70701016.377.478.6
04/2315:50:006.213.09.811.70701015.877.278.6
04/2314:50:006.611.07.89.80701015.477.278.6
04/2313:50:006.912.09.811.70701015.177.078.6
04/2312:50:006.914.09.811.70601014.977.078.6
04/2311:50:006.613.09.811.70401015.476.578.6
04/2310:50:006.912.09.811.70701016.077.078.6
04/2309:50:007.213.011.715.60701016.377.478.8
04/2308:50:007.213.013.715.60501016.677.478.8
04/2307:50:006.613.013.717.60501016.977.478.8
04/2306:50:007.214.013.715.60501016.677.578.8

 

000031168 ___0.033187
.
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