Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Forget the Models - How Do We Compare to Past Super El Ninos! - Watch the Video HERE (4/26/26)
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 46028 Central San Martin
Longitude = 121.89W Latitude = 35.74N
FAQs

 

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)
Measurement Date/Time (GMT)04/29
20:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46028
20:00:00 (GMT) on 04/29
Sea Height:4.1 ft
Primary Swell Height: 2.7 ft
Primary Swell Period: 12.4 secs
Surf Height2.7 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)
04/2920:00:004.1 2.7 se12.4 secs1.5 se16.4 secs1.6 se 9.1secs2.7 -3.3 12.4
04/2919:00:004.1 2.7 se12.3 secs1.4 se16.5 secs1.9 se 9.3secs2.7 -3.3 12.3
04/2918:00:004.0 2.2 se14.3 secs1.3 se18.1 secs1.9 se 10.3secs2.5 -3.1 14.3
04/2917:00:003.9 2.5 se12.3 secs1.1 se16.1 secs1.4 se 9.2secs2.4 -3.0 12.3
04/2916:00:003.7 2.5 se12.5 secs1.5 se15.8 secs1.5 se 7.7secs2.5 -3.1 12.5
04/2915:00:003.8 2.2 se13.9 secs1.6 se10.3 secs0.9 se 17.8secs2.5 -3.1 13.9
04/2914:00:003.8 2.6 se12.2 secs1.4 se9.1 secs0.8 se 15.3secs2.6 -3.2 12.2
04/2913:00:003.7 2.3 se14.0 secs1.7 se10.3 secs0.9 se 17.2secs2.5 -3.2 14.0
04/2912:00:003.8 2.5 se12.4 secs1.4 se15.7 secs1.3 se 9.3secs2.5 -3.1 12.4
04/2911:00:003.7 2.3 se12.4 secs1.4 se9.2 secs1.8 se 5.9secs2.2 -2.8 12.4
04/2910:00:003.6 1.9 se14.2 secs1.5 se10.3 secs1.8 se 6.7secs2.2 -2.8 14.2
04/2909:00:003.8 2.2 se12.4 secs1.9 se7.7 secs0.8 se 16.7secs2.2 -2.8 12.4
04/2908:00:004.0 2.3 se14.4 secs2.3 se11.4 secs1.8 se 6.7secs2.6 -3.3 14.4
04/2907:00:004.1 2.6 se12.5 secs0.9 se16.7 secs1.3 se 9.2secs2.6 -3.2 12.5
04/2906:00:003.5 2.0 se12.2 secs0.9 se15.4 secs1.9 se 5.9secs2.0 -2.5 12.2
04/2905:00:003.5 1.9 se12.3 secs1.5 se9.3 secs1.7 se 6.2secs1.9 -2.4 12.3
04/2904:00:003.7 2.5 se12.2 secs1.1 se15.4 secs1.4 se 8.5secs2.5 -3.1 12.2
04/2903:00:003.5 2.2 se12.3 secs1.5 se15.6 secs1.1 se 8.3secs2.2 -2.7 12.3
04/2902:00:003.5 2.6 se12.3 secs1.3 se15.4 secs1.0 se 8.4secs2.5 -3.2 12.3
04/2901:00:003.6 2.3 se14.6 secs2.6 se11.4 secs1.0 se 7.7secs2.7 -3.4 14.6
04/2900:00:003.5 2.4 se12.3 secs1.4 se15.7 secs1.5 se 9.2secs2.4 -3.0 12.3
04/2823:00:003.6 2.6 se12.1 secs1.4 se15.8 secs1.1 se 8.4secs2.5 -3.2 12.1
04/2822:00:003.9 3.0 se12.1 secs1.3 se15.5 secs1.3 se 9.1secs2.9 -3.6 12.1
04/2821:00:003.8 3.1 se12.2 secs1.2 se15.4 secs1.0 se 8.4secs3.0 -3.8 12.2

 

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 46028
20:50:00 (GMT) on 04/29
Combined Sea Height:5.9 ft
Dominant Period:11.0 secs
Wind Speed: 17.6 kts
Wind Gust: 19.5 kts
Wind Direction:330 degrees
Barometric Pressure:1018.1 mbs
Air Temperature: 57.2 degrees
Water Temperature:58.5 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)
04/2920:50:005.911.017.619.53301018.157.258.5
04/2919:50:005.910.017.619.53301018.556.858.6
04/2918:50:005.68.017.619.53301019.156.558.5
04/2917:50:005.612.015.619.53201019.156.358.5
04/2916:50:005.911.017.619.53301019.256.158.3
04/2915:50:005.27.017.621.43301019.255.858.1
04/2914:50:005.613.017.621.43201018.955.857.9
04/2913:50:005.211.017.619.53201018.956.157.9
04/2912:50:005.66.017.621.43201018.456.357.9
04/2911:50:006.26.015.619.53301018.756.357.7
04/2910:50:006.25.019.523.43301018.356.157.7
04/2909:50:005.97.019.523.43301018.356.557.9
04/2908:50:006.212.019.523.43301018.456.758.1
04/2907:50:006.211.017.623.43301018.656.758.5
04/2906:50:005.96.021.425.43301018.756.558.6
04/2905:50:005.611.021.425.43201018.856.558.8
04/2904:50:005.611.021.425.43301018.956.758.6
04/2903:50:005.211.019.523.43301018.856.858.6
04/2902:50:000.00.021.425.43301018.456.858.8
04/2901:50:005.211.021.423.43301018.557.258.8
04/2900:50:005.211.017.621.43201018.957.258.8
04/2823:50:005.611.017.621.43201019.257.058.8
04/2822:50:005.211.017.619.53201019.657.058.8
04/2821:50:005.611.017.621.43301019.956.758.6

 

000095278 ___0.030202
.
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