Surf Forecasts and Marine Weather - No Hype - Just the Facts!
The North Pacific Is Pulsing - Is There Hope Longterm? - Video Forecast HERE (10/19/25)
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)10/21
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 10/21
Sea Height:9.6 ft
Primary Swell Height: 7.9 ft
Primary Swell Period: 13.9 secs
Surf Height8.8 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)
10/2115:00:009.6 7.9 se13.9 secs4.9 se10.3 secs2.3 se 17.3secs8.8 -11.0 13.9
10/2114:00:009.7 9.0 se12.8 secs3.2 se9.2 secs0.9 se 16.7secs9.2 -11.5 12.8
10/2113:00:009.4 8.0 se13.9 secs4.2 se10.3 secs1.5 se 7.3secs8.9 -11.1 13.9
10/2112:00:0010.4 9.1 se12.7 secs4.1 se9.4 secs1.7 se 16.7secs9.3 -11.6 12.7
10/2111:00:009.6 8.3 se12.7 secs2.1 se17.4 secs3.7 se 9.2secs8.4 -10.5 12.7
10/2110:00:009.8 8.1 se14.0 secs4.7 se10.3 secs1.6 se 7.2secs9.1 -11.3 14.0
10/2109:00:009.4 8.1 se12.8 secs2.2 se17.2 secs3.5 se 9.3secs8.3 -10.4 12.8
10/2108:00:009.2 6.7 se14.1 secs5.5 se10.3 secs2.6 se 17.2secs7.6 -9.5 14.1
10/2107:00:0011.5 9.6 se14.2 secs5.6 se10.3 secs2.2 se 7.2secs10.9 -13.7 14.2
10/2106:00:0011.2 9.5 se14.0 secs5.3 se10.4 secs3.1 se 17.1secs10.7 -13.4 14.0
10/2105:00:0010.4 8.0 se14.2 secs6.1 se10.3 secs2.1 se 7.2secs9.0 -11.3 14.2
10/2104:00:0012.2 10.5 se14.3 secs5.5 se10.3 secs1.2 se 6.8secs12.0 -15.0 14.3
10/2103:00:0012.1 10.2 se14.5 secs5.5 se17.8 secs5.8 se 10.3secs11.8 -14.7 14.5
10/2102:00:0011.3 9.8 se14.4 secs4.8 se10.3 secs0.8 se 20.0secs11.2 -14.0 14.4
10/2101:00:0010.2 8.4 se14.4 secs4.6 se17.5 secs4.9 se 10.3secs9.6 -12.0 14.4
10/2100:00:009.0 7.0 se14.4 secs4.7 se10.3 secs2.1 se 7.2secs8.1 -10.1 14.4
10/2023:00:009.9 7.9 se14.4 secs5.9 se11.4 secs2.5 se 7.8secs9.1 -11.4 14.4
10/2022:00:008.8 7.1 se14.4 secs4.0 se10.1 secs0.9 se 20.0secs8.2 -10.3 14.4
10/2021:00:0011.4 9.9 se14.6 secs6.7 se11.5 secs1.4 se 20.0secs11.6 -14.4 14.6
10/2020:00:0010.6 9.4 se14.6 secs5.3 se11.5 secs3.1 se 8.5secs11.0 -13.7 14.6
10/2019:00:0010.1 8.4 se16.1 secs4.3 se11.4 secs2.1 se 20.0secs10.8 -13.5 16.1
10/2018:00:0010.1 8.4 se16.3 secs6.7 se13.0 secs2.1 se 20.0secs11.0 -13.7 16.3
10/2017:00:0011.3 10.1 se16.9 secs3.7 se20.0 secs5.5 se 12.9secs13.6 -17.0 16.9
10/2016:00:0010.5 8.8 se17.0 secs3.6 se20.0 secs5.4 se 12.7secs12.0 -15.0 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
16:00:00 (GMT) on 10/21
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 5.8 kts
Wind Gust: 9.8 kts
Wind Direction:170 degrees
Barometric Pressure:1017.0 mbs
Air Temperature: 32.0 degrees
Water Temperature:32.0 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)
10/2116:00:000.00.05.89.81701017.032.032.0
10/2115:00:000.00.03.99.81501016.532.032.0
10/2114:00:009.813.05.89.81501016.432.032.0
10/2113:00:009.814.03.99.81201016.432.032.0
10/2112:00:0010.50.01.95.81501016.532.032.0
10/2111:00:0011.50.03.97.82101016.432.032.0
10/2110:00:0010.214.01.95.82101016.332.032.0
10/2109:00:0011.514.00.05.80001016.532.032.0
10/2108:00:0010.214.01.95.82301016.932.032.0
10/2107:00:0010.50.05.89.82001017.332.032.0
10/2106:00:0011.814.01.97.82001017.232.032.0
10/2105:00:0013.114.00.03.90001017.132.032.0
10/2104:00:0014.115.03.97.82101016.932.032.0
10/2103:00:0011.214.00.05.80001016.832.032.0
10/2102:00:0012.515.01.95.83001016.632.032.0
10/2101:00:0012.515.05.89.82301016.032.032.0
10/2100:00:0011.50.01.95.82301016.032.032.0
10/2023:00:0011.215.01.95.82001016.032.032.0
10/2022:00:0012.115.03.97.83501016.232.032.0
10/2021:00:0011.214.03.97.80101016.132.032.0
10/2020:00:0012.516.01.95.80201016.632.032.0
10/2019:00:000.00.01.95.83201017.032.032.0
10/2018:00:0011.515.01.95.83601017.332.032.0
10/2017:00:0010.80.03.97.80501017.532.032.0

 

000093066 ___0.029073
.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2025 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