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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Tuesday 24 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 3AM is: 0.6m 8s primary swell from a East-southeast direction and 0.7m 4s secondary swell from a East-southeast direction (forecast issued at 08:00pm March 24). An open ocean swell of 0.3m 7s 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) | 3ft (0.9m) | 4s |
| Afternoon (25 Mar) | 4.5ft (1.4m) | 6s |
| Evening (25 Mar) | 8ft (2.5m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 4 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 117 | 46 | 40 | 42 | 31 | 28 | 48 | 143 | 398 | 679 | 899 | 576 | 763 | 745 | 688 | 1261 | 1348 | 903 | 702 | 599 | 517 | 455 | 433 | 415 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | on | cross |
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) | 3:09PM 0.27 | 2:40AM 0.90 | 4:20PM 0.36 | 4:12AM 1.02 | 5:59PM 0.42 | 7:57AM 1.01 | ||||||||||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - |
| Sunset | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - |
 |  | |  | | |  |  | |  |  | | | | |  | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | 1 | 7 | 9 | 9 | 5 | 3 | 4 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 11 | 12 | 12 | 13 | 12 | 11 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 14 | 15 | 15 |
| Feels °C (?) | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 7 | 8 | 7 | 8 | 6 | 5 | 7 | 7 | 8 | 10 | 9 | 11 | 11 | 9 | 11 | 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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