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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am 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 2.8°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 11AM is: 3.0m 9s primary swell from a Southeast direction and 1.9m 9s secondary swell from a East direction (forecast issued at 02:00am March 26). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 8ft (2.4m) | 10s |
| Afternoon (26 Mar) | 10ft (3.0m) | 10s |
| Evening (26 Mar) | 7ft (2.2m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 10 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 717 | 576 | 1367 | 1102 | 1441 | 1564 | 1057 | 835 | 687 | 599 | 485 | 466 | 400 | 352 | 333 | 289 | 246 | 262 | 273 | 244 | 206 | 206 | 161 | 125 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- off | cross | cross | cross | cross- off | cross- off | off | glass | glass | cross- on | cross- on | cross- on | cross- off | off | off | cross- off | glass | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 12:29AM 1.07 | 9:19AM 1.17 | 2:33AM 1.17 | 11:50AM 1.07 | 3:16AM 1.27 | 1:59PM 1.11 | ||||||||||||||||||
Low Tide / height (m) | 4:12AM 1.02 | 5:59PM 0.42 | 7:57AM 1.01 | 7:39PM 0.41 | 9:15AM 0.87 | 8:49PM 0.36 | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||||||||||||
| Sunrise | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - |
 | |  |  |  |  | |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | 6 | 9 | 7 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 11 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 11 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 12 | 15 | 16 | 16 | 14 |
| Feels °C (?) | 6 | 5 | 6 | 7 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 11 | 12 | 10 | 11 | 11 | 10 | 9 | 8 | 11 | 12 | 12 | 13 | 11 |
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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
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