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 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)04/23
15:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46028
15:00:00 (GMT) on 04/23
Sea Height:5.6 ft
Primary Swell Height: 4.1 ft
Primary Swell Period: 16.2 secs
Surf Height5.3 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)
04/2315:00:005.6 4.1 se16.2 secs3.1 se12.9 secs2.0 se 9.1secs5.3 -6.6 16.2
04/2314:00:005.2 4.1 se14.7 secs2.3 se11.5 secs1.8 se 8.5secs4.8 -6.0 14.7
04/2313:00:005.6 4.0 se14.5 secs2.3 se17.5 secs2.9 se 11.4secs4.7 -5.8 14.5
04/2312:00:005.9 4.2 se16.2 secs3.5 se13.0 secs2.2 se 9.2secs5.5 -6.8 16.2
04/2311:00:004.9 3.6 se14.7 secs2.2 se11.4 secs1.5 se 7.8secs4.3 -5.3 14.7
04/2310:00:004.8 3.2 se14.8 secs2.4 se11.3 secs1.8 se 7.7secs3.7 -4.7 14.8
04/2309:00:005.1 3.8 se14.5 secs2.3 se17.7 secs2.8 se 11.4secs4.4 -5.5 14.5
04/2308:00:005.3 3.7 se16.4 secs3.5 se12.8 secs1.2 se 20.0secs4.8 -6.0 16.4
04/2307:00:005.3 3.5 se16.3 secs3.7 se12.7 secs1.1 se 20.0secs4.6 -5.7 16.3
04/2306:00:005.2 3.6 se16.5 secs3.4 se12.7 secs1.4 se 20.0secs4.8 -6.0 16.5
04/2305:00:005.3 3.5 se16.2 secs3.8 se12.7 secs1.2 se 20.0secs4.6 -5.7 16.2
04/2304:00:004.8 3.0 se16.5 secs3.1 se12.7 secs1.2 se 20.0secs4.0 -5.0 16.5
04/2303:00:005.1 3.0 se16.4 secs3.4 se12.6 secs1.1 se 20.0secs4.0 -5.0 16.4
04/2302:00:005.5 3.5 se16.2 secs4.1 se12.6 secs1.0 se 20.0secs4.5 -5.6 16.2
04/2301:00:004.8 2.4 se16.7 secs2.7 se12.5 secs2.5 se 9.1secs3.2 -4.0 16.7
04/2300:00:004.9 2.7 se16.5 secs2.9 se12.6 secs1.1 se 20.0secs3.6 -4.5 16.5
04/2223:00:005.2 3.1 se14.4 secs3.3 se11.2 secs1.9 se 17.9secs3.5 -4.4 14.4
04/2222:00:005.2 3.2 se16.8 secs3.2 se12.5 secs1.5 se 20.0secs4.3 -5.4 16.8
04/2221:00:005.5 2.9 se16.8 secs3.7 se12.4 secs1.5 se 20.0secs3.9 -4.9 16.8
04/2220:00:005.5 3.2 se16.4 secs3.5 se12.6 secs2.8 se 9.3secs4.2 -5.3 16.4
04/2219:00:005.1 3.6 se12.3 secs2.4 se16.5 secs2.4 se 9.3secs3.6 -4.5 12.3
04/2218:00:005.4 3.6 se14.4 secs3.8 se11.3 secs2.1 se 17.6secs4.1 -5.1 14.4
04/2217:00:004.8 2.9 se14.4 secs3.4 se11.2 secs1.8 se 18.7secs3.4 -4.2 14.4
04/2216:00:005.1 4.0 se12.3 secs2.4 se16.5 secs1.9 se 9.2secs3.9 -4.9 12.3

 

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 46028
15:50:00 (GMT) on 04/23
Combined Sea Height:7.5 ft
Dominant Period:13.0 secs
Wind Speed: 15.6 kts
Wind Gust: 19.5 kts
Wind Direction:350 degrees
Barometric Pressure:1019.6 mbs
Air Temperature: 58.5 degrees
Water Temperature:59.2 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)
04/2315:50:007.513.015.619.53501019.658.559.2
04/2314:50:007.216.015.619.53401019.257.659.2
04/2313:50:007.514.019.523.43301019.057.259.2
04/2312:50:007.214.019.525.43301019.257.459.2
04/2311:50:006.916.019.523.43401019.257.759.4
04/2310:50:007.216.019.523.43301019.257.959.4
04/2309:50:006.911.019.523.43301019.157.659.4
04/2308:50:006.214.019.523.43301019.857.459.4
04/2307:50:006.617.017.623.43301020.557.759.5
04/2306:50:006.614.015.619.53301020.957.759.7
04/2305:50:006.214.017.619.53201021.157.759.5
04/2304:50:006.614.015.617.63201021.257.759.7
04/2303:50:005.915.011.715.63101020.857.959.5
04/2302:50:006.915.011.715.63101020.658.159.7
04/2301:50:006.215.011.713.73001020.958.559.9
04/2300:50:006.210.07.89.82901021.458.660.1
04/2223:50:005.910.03.95.82901021.758.659.9
04/2222:50:006.611.05.89.82801022.259.060.3
04/2221:50:006.210.03.95.82601022.858.860.4
04/2220:50:006.911.03.95.82201023.058.560.1
04/2219:50:006.211.03.93.92301023.357.659.7
04/2218:50:005.915.05.87.82401023.856.859.5
04/2217:50:005.910.07.87.82401023.756.859.0
04/2216:50:006.211.00.01.90001023.459.759.0

 

000095182 ___0.026785
.
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