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)04/22
19:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 51004
19:00:00 (GMT) on 04/22
Sea Height:5.9 ft
Primary Swell Height: 4.9 ft
Primary Swell Period: 14.2 secs
Surf Height5.2 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)
04/2219:00:005.9 4.9 se14.2 secs2.5 se10.3 secs1.4 se 7.2secs5.2 -5.9 14.2
04/2218:00:006.3 5.3 se14.3 secs2.5 se10.3 secs1.5 se 7.2secs5.6 -6.4 14.3
04/2217:00:005.2 4.2 se14.1 secs2.1 se10.2 secs1.2 se 6.7secs4.5 -5.1 14.1
04/2216:00:005.5 4.6 se14.4 secs2.1 se10.0 secs1.3 se 6.3secs4.9 -5.6 14.4
04/2215:00:005.8 4.9 se14.5 secs2.1 se10.4 secs0.6 se 20.0secs5.3 -6.0 14.5
04/2214:00:004.8 3.6 se16.0 secs2.0 se11.5 secs1.8 se 8.4secs4.4 -5.0 16.0
04/2213:00:005.0 3.9 se14.6 secs2.6 se11.3 secs1.6 se 7.8secs4.3 -4.8 14.6
04/2212:00:005.1 4.0 se14.6 secs2.4 se11.4 secs1.9 se 8.3secs4.4 -5.0 14.6
04/2211:00:005.3 4.2 se15.5 secs1.8 se11.4 secs2.1 se 8.4secs4.9 -5.5 15.5
04/2210:00:005.1 3.8 se14.6 secs2.2 se11.3 secs2.2 se 7.7secs4.2 -4.7 14.6
04/2209:00:004.0 2.3 se14.5 secs2.1 se11.2 secs2.0 se 7.7secs2.5 -2.9 14.5
04/2208:00:004.0 2.7 se14.7 secs1.8 se11.3 secs1.9 se 7.7secs3.0 -3.4 14.7
04/2207:00:004.5 3.1 se14.9 secs2.1 se11.2 secs1.9 se 7.7secs3.5 -4.0 14.9
04/2206:00:004.0 2.6 se14.8 secs1.9 se11.2 secs1.9 se 7.7secs2.9 -3.3 14.8
04/2205:00:004.1 2.3 se14.8 secs1.9 se10.0 secs1.8 se 6.8secs2.5 -2.9 14.8
04/2204:00:003.7 1.6 se16.6 secs1.7 se12.6 secs2.0 se 8.3secs2.0 -2.2 16.6
04/2203:00:004.0 2.3 se14.5 secs1.3 se17.5 secs1.9 se 11.3secs2.5 -2.8 14.5
04/2202:00:003.6 1.9 se14.6 secs1.7 se11.3 secs1.8 se 7.7secs2.1 -2.4 14.6
04/2201:00:003.6 1.6 se14.5 secs1.6 se11.3 secs1.0 se 17.5secs1.7 -2.0 14.5
04/2200:00:003.5 1.6 se14.4 secs1.7 se11.3 secs2.2 se 7.7secs1.7 -2.0 14.4
04/2123:00:003.2 1.6 se14.4 secs0.9 se17.5 secs1.4 se 11.3secs1.7 -1.9 14.4
04/2122:00:003.7 1.9 se14.3 secs2.1 se8.3 secs0.2 se 20.0secs2.0 -2.3 14.3
04/2121:00:003.1 1.5 se14.2 secs1.9 se7.7 secs0.7 se 17.5secs1.6 -1.8 14.2
04/2120:00:003.5 1.9 se12.5 secs1.1 se15.8 secs1.9 se 9.1secs1.8 -2.0 12.5

 

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
19:50:00 (GMT) on 04/22
Combined Sea Height:6.6 ft
Dominant Period:15.0 secs
Wind Speed: 11.7 kts
Wind Gust: 11.7 kts
Wind Direction:070 degrees
Barometric Pressure:1016.7 mbs
Air Temperature: 77.5 degrees
Water Temperature:78.8 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)
04/2219:50:006.615.011.711.70701016.777.578.8
04/2218:50:007.214.09.813.70601017.077.578.6
04/2217:50:007.514.09.811.70601016.877.478.6
04/2216:50:007.514.011.713.70701016.377.478.6
04/2215:50:006.615.011.713.70601016.077.278.6
04/2214:50:006.615.013.715.60601015.577.232.0
04/2213:50:006.915.013.715.60701015.076.878.6
04/2212:50:006.615.013.715.60601015.077.078.6
04/2211:50:005.915.011.713.70501015.477.278.6
04/2210:50:005.615.011.713.70501015.777.278.6
04/2209:50:006.20.011.715.60601015.977.478.6
04/2208:50:005.616.011.713.70601016.277.478.6
04/2207:50:005.216.011.713.70701016.377.578.6
04/2206:50:005.60.011.713.70701016.077.578.6
04/2205:50:005.29.011.713.70801015.777.578.6
04/2204:50:005.216.09.811.70601014.977.778.8
04/2203:50:005.28.011.713.70701014.177.778.8
04/2202:50:005.27.011.713.70801013.377.578.8
04/2201:50:005.27.011.715.60801013.177.579.0
04/2200:50:005.28.011.713.70701013.577.479.0
04/2123:50:005.28.013.715.60901013.877.478.8
04/2122:50:005.27.013.715.60801014.577.278.8
04/2121:50:005.67.013.715.60701015.177.232.0
04/2120:50:004.97.013.715.60701015.077.278.6

 

000031162 ___0.030339
.
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