Surf Forecasts and Marine Weather - No Hype - Just the Facts!
El Nino Developing Exactly Like 1997! - Video HERE (7/26/26)
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)07/30
01:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46028
01:00:00 (GMT) on 07/30
Sea Height:5.8 ft
Primary Swell Height: 4 ft
Primary Swell Period: 14.7 secs
Surf Height4.7 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)
07/3001:00:005.8 4.0 se14.7 secs2.8 se8.4 secs2.0 se 11.6secs4.7 -5.9 14.7
07/3000:00:006.1 4.4 se15.8 secs1.9 se11.5 secs2.5 se 8.4secs5.6 -6.9 15.8
07/2923:00:006.1 4.1 se16.0 secs2.5 se8.3 secs1.8 se 11.5secs5.2 -6.5 16.0
07/2922:00:005.1 3.1 se14.8 secs2.7 se8.4 secs1.7 se 11.4secs3.7 -4.6 14.8
07/2921:00:005.5 3.5 se15.9 secs2.5 se9.0 secs2.2 se 5.9secs4.4 -5.5 15.9
07/2920:00:005.5 3.4 se16.1 secs2.8 se8.4 secs1.4 se 11.6secs4.3 -5.4 16.1
07/2919:00:005.2 3.0 se16.2 secs2.2 se13.1 secs2.4 se 8.3secs3.9 -4.9 16.2
07/2918:00:005.2 3.0 se16.6 secs2.9 se8.3 secs1.8 se 12.9secs4.0 -5.0 16.6
07/2917:00:004.8 2.8 se16.1 secs2.3 se8.4 secs1.3 se 11.5secs3.6 -4.5 16.1
07/2916:00:004.5 3.0 se16.4 secs2.0 se13.2 secs0.8 se 20.0secs4.0 -5.0 16.4
07/2915:00:004.8 3.0 se16.5 secs2.3 se13.2 secs1.1 se 20.0secs4.0 -5.0 16.5
07/2914:00:004.8 3.1 se16.6 secs2.0 se13.0 secs0.9 se 20.0secs4.2 -5.2 16.6
07/2913:00:005.8 3.6 se16.6 secs2.4 se13.2 secs1.3 se 20.0secs4.8 -6.1 16.6
07/2912:00:004.8 3.1 se16.8 secs1.3 se20.0 secs1.8 se 13.2secs4.2 -5.3 16.8
07/2911:00:005.0 3.2 se16.9 secs1.5 se20.0 secs2.0 se 13.1secs4.3 -5.4 16.9
07/2910:00:005.0 3.4 se16.8 secs1.3 se20.0 secs1.7 se 13.3secs4.6 -5.7 16.8
07/2909:00:005.2 2.8 se16.2 secs2.2 se13.2 secs2.3 se 7.7secs3.6 -4.5 16.2
07/2908:00:005.1 2.9 se16.6 secs1.7 se13.1 secs2.6 se 7.1secs3.9 -4.8 16.6
07/2907:00:005.4 3.4 se17.1 secs1.5 se13.2 secs2.5 se 7.8secs4.6 -5.8 17.1
07/2906:00:005.4 3.7 se16.8 secs1.3 se20.0 secs1.8 se 13.1secs5.0 -6.3 16.8
07/2905:00:005.3 3.2 se16.9 secs1.3 se20.0 secs1.6 se 13.1secs4.4 -5.4 16.9
07/2904:00:005.5 3.5 se17.3 secs1.5 se13.1 secs2.4 se 7.7secs4.8 -6.0 17.3
07/2903:00:005.6 3.1 se17.9 secs3.0 se7.7 secs1.2 se 12.7secs4.5 -5.6 17.9
07/2902:00:005.8 2.9 se17.0 secs3.3 se8.3 secs1.2 se 20.0secs4.0 -5.0 17.0

 

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
01:50:00 (GMT) on 07/30
Combined Sea Height:7.5 ft
Dominant Period:16.0 secs
Wind Speed: 23.4 kts
Wind Gust: 27.3 kts
Wind Direction:320 degrees
Barometric Pressure:1011.5 mbs
Air Temperature: 59.5 degrees
Water Temperature:56.5 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)
07/3001:50:007.516.023.427.33201011.559.556.5
07/3000:50:008.215.021.429.23201012.259.456.5
07/2923:50:007.516.019.525.43301012.659.456.5
07/2922:50:007.516.021.425.43201012.859.456.5
07/2921:50:007.516.019.521.43201013.359.256.5
07/2920:50:007.916.019.525.43301013.559.056.5
07/2919:50:007.516.019.523.43201013.758.856.5
07/2918:50:000.00.017.625.43301013.858.656.5
07/2917:50:007.58.021.425.43301013.458.556.5
07/2916:50:006.68.021.425.43301013.158.556.5
07/2915:50:006.916.021.427.33301012.958.556.7
07/2914:50:007.516.023.429.23301012.458.556.7
07/2913:50:006.917.023.427.33301011.858.556.7
07/2912:50:007.57.023.429.23301012.158.356.7
07/2911:50:007.516.021.427.33301012.058.856.7
07/2910:50:007.517.023.429.23301011.759.056.8
07/2909:50:007.26.023.431.23301011.559.056.8
07/2908:50:007.20.023.431.23301011.259.256.7
07/2907:50:007.917.023.429.23201011.659.456.7
07/2906:50:007.517.025.429.23201011.759.756.7
07/2905:50:007.217.025.429.23201012.159.756.8
07/2904:50:007.28.023.429.23201012.359.956.8
07/2903:50:008.217.025.431.23201011.959.956.7
07/2902:50:007.98.025.431.23201011.659.556.5

 

000096451 ___0.027923
.
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