Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Ominous Sign as Cold Water Upwells in S. America - Watch the Video HERE (5/3/26)
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)05/04
10:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46028
10:00:00 (GMT) on 05/04
Sea Height:4.6 ft
Primary Swell Height: 3.2 ft
Primary Swell Period: 15.9 secs
Surf Height4.1 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)
05/0410:00:004.6 3.2 se15.9 secs2.4 se10.1 secs0.5 se 20.0secs4.1 -5.1 15.9
05/0409:00:005.5 4.0 se15.7 secs3.1 se10.1 secs1.0 se 6.7secs5.0 -6.3 15.7
05/0408:00:005.6 3.7 se15.9 secs3.3 se10.0 secs1.2 se 6.7secs4.8 -5.9 15.9
05/0407:00:005.1 3.4 se15.0 secs3.0 se11.1 secs1.7 se 7.9secs4.1 -5.2 15.0
05/0406:00:005.8 4.4 se16.3 secs2.6 se12.7 secs2.9 se 9.2secs5.8 -7.2 16.3
05/0405:00:006.3 4.3 se16.4 secs3.6 se11.0 secs1.9 se 7.9secs5.6 -7.0 16.4
05/0404:00:005.3 3.4 se16.2 secs2.9 se12.3 secs2.1 se 8.5secs4.5 -5.6 16.2
05/0403:00:005.6 4.1 se16.7 secs2.8 se12.4 secs2.6 se 9.2secs5.5 -6.8 16.7
05/0402:00:005.8 4.4 se16.8 secs3.0 se12.2 secs1.1 se 20.0secs5.9 -7.4 16.8
05/0401:00:006.1 4.8 se17.0 secs2.8 se12.4 secs2.6 se 9.2secs6.5 -8.2 17.0
05/0400:00:005.2 3.9 se17.0 secs2.4 se12.4 secs2.4 se 9.1secs5.2 -6.6 17.0
05/0323:00:005.6 3.4 se16.9 secs3.4 se12.1 secs2.5 se 8.5secs4.6 -5.7 16.9
05/0322:00:005.8 4.0 se18.0 secs2.9 se12.2 secs2.6 se 9.2secs5.8 -7.3 18.0
05/0321:00:005.2 2.8 se17.3 secs3.7 se11.3 secs1.5 se 7.8secs3.9 -4.9 17.3
05/0320:00:005.4 3.2 se18.2 secs3.4 se14.6 secs3.7 se 11.3secs4.6 -5.8 18.2
05/0319:00:004.7 2.7 se18.6 secs2.6 se14.7 secs3.0 se 11.2secs4.0 -5.0 18.6
05/0318:00:004.6 2.6 se17.3 secs2.9 se12.3 secs2.2 se 9.2secs3.6 -4.5 17.3
05/0317:00:004.3 2.9 se11.1 secs1.9 se17.2 secs1.4 se 7.8secs2.6 -3.3 11.1
05/0316:00:005.0 2.7 se17.6 secs3.1 se14.3 secs2.8 se 10.2secs3.8 -4.8 17.6
05/0315:00:004.1 2.9 se11.3 secs1.5 se17.0 secs1.5 se 7.8secs2.6 -3.3 11.3
05/0314:00:004.4 3.4 se11.2 secs1.5 se16.8 secs0.7 se 20.0secs3.0 -3.8 11.2
05/0313:00:004.3 3.1 se12.3 secs1.6 se17.3 secs2.0 se 9.2secs3.0 -3.8 12.3
05/0312:00:004.4 3.7 se11.2 secs1.1 se17.1 secs1.4 se 7.8secs3.3 -4.1 11.2
05/0311:00:004.6 3.9 se11.3 secs1.1 se16.9 secs0.6 se 20.0secs3.5 -4.4 11.3

 

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
10:50:00 (GMT) on 05/04
Combined Sea Height:5.9 ft
Dominant Period:15.0 secs
Wind Speed: 1.9 kts
Wind Gust: 3.9 kts
Wind Direction:330 degrees
Barometric Pressure:1015.3 mbs
Air Temperature: 56.7 degrees
Water Temperature:59.0 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)
05/0410:50:005.915.01.93.93301015.356.759.0
05/0409:50:006.615.01.93.93401015.456.859.0
05/0408:50:005.916.03.95.83101015.957.058.8
05/0407:50:005.610.03.95.83001015.957.058.8
05/0406:50:006.616.05.85.82601015.957.258.8
05/0405:50:006.916.03.95.82701016.057.259.2
05/0404:50:005.916.05.87.82601015.757.459.5
05/0403:50:005.916.05.87.82601015.157.459.5
05/0402:50:005.616.05.87.82501014.757.759.7
05/0401:50:005.69.03.95.82701014.558.659.7
05/0400:50:006.611.05.87.82501014.558.559.5
05/0323:50:006.617.05.87.82301014.558.559.5
05/0322:50:006.211.03.95.82501014.658.559.9
05/0321:50:006.210.03.95.82701014.958.559.2
05/0320:50:005.911.03.95.83101014.957.958.8
05/0319:50:005.910.03.97.81801015.157.259.2
05/0318:50:005.611.05.87.81201015.256.859.2
05/0317:50:005.69.01.93.90101015.158.658.8
05/0316:50:005.210.03.95.83001014.857.758.8
05/0315:50:005.611.03.95.83001014.557.458.5
05/0314:50:005.210.05.87.82801014.157.658.5
05/0313:50:005.211.07.89.83101013.557.458.5
05/0312:50:005.212.07.811.73101012.956.858.5
05/0311:50:006.612.09.811.73001012.956.858.5

 

000095338 ___0.029407
.
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