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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Thursday 26 Mar 2026 JSTForecast update in hr min s Forecast update imminent
Katahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katahama sea temperature is
14.9° C
(Which is 2.9°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 1AM is: 2.0m 10s primary swell from a East-southeast direction (forecast issued at 08:00pm March 26). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | 5.5ft (1.7m) | 9s |
| Afternoon (27 Mar) | 5ft (1.5m) | 9s |
| Evening (27 Mar) | 4.5ft (1.3m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1102 | 941 | 782 | 672 | 563 | 487 | 415 | 344 | 283 | 283 | 235 | 235 | 203 | 175 | 190 | 194 | 158 | 154 | 120 | 111 | 83 | 83 | 83 | 81 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | off | glass | cross- on | cross- on | cross | cross- on | cross | glass | off | cross- off | cross | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | on | cross- on |
High Tide / height (m) | 2:33AM 1.17 | 11:50AM 1.07 | 3:16AM 1.27 | 1:59PM 1.11 | 3:45AM 1.34 | |||||||||||||||||||
Low Tide / height (m) | 5:59PM 0.42 | 7:57AM 1.01 | 7:39PM 0.41 | 9:15AM 0.87 | 8:49PM 0.36 | 9:50AM 0.73 | ||||||||||||||||||
Thu 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - |
 |  |  | | |  | |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 15 | 14 | 14 | 12 | 11 | 11 | 13 | 14 | 15 | 15 | 15 | 13 | 13 | 12 | 14 | 16 | 16 |
| Feels °C (?) | 10 | 11 | 11 | 10 | 11 | 11 | 12 | 11 | 11 | 13 | 11 | 9 | 9 | 11 | 12 | 12 | 13 | 13 | 11 | 11 | 10 | 12 | 14 | 13 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Katahama surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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