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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Wednesday 25 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
15.2° C
(Which is 2.4°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 6AM is: 0.5m 8s primary swell from a Southeast direction and 0.7m 4s secondary swell from a East-southeast direction (forecast issued at 02:00am March 25). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Mar) | 2.5ft (0.8m) | 5s |
| Afternoon (25 Mar) | 6ft (1.9m) | 6s |
| Evening (25 Mar) | 8ft (2.4m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| 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 | 8 | 5 | 6 | 6 | 7 | 7 | 8 | 7 | 8 | 8 | 9 | 9 | 10 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 40 | 43 | 31 | 30 | 86 | 261 | 471 | 640 | 717 | 579 | 454 | 763 | 662 | 1166 | 1403 | 1215 | 782 | 612 | 506 | 495 | 424 | 418 | 348 | 348 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross | cross- on | on | on | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross | cross- off | off | glass | glass | cross- on | cross | cross- on | on |
High Tide / height (m) | 9:57PM 1.11 | 8:30AM 1.31 | 12:29AM 1.07 | 9:19AM 1.17 | 2:33AM 1.17 | 11:50AM 1.07 | ||||||||||||||||||
Low Tide / height (m) | 2:40AM 0.90 | 4:20PM 0.36 | 4:12AM 1.02 | 5:59PM 0.42 | 7:57AM 1.01 | 7:39PM 0.41 | ||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| Sunrise | - | - | 5:45 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - |
 | |  |  | |  |  |  | | | | |  | | |  | | | |  | | | | | |
Rain (mm) | - | - | - | 1 | 3 | 12 | 10 | 5 | 2 | 4 | 4 | 2 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 12 | 11 | 11 | 12 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 |
| Feels °C (?) | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 7 | 6 | 5 | 5 | 6 | 8 | 9 | 11 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 11 | 12 |
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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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