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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Thursday 02 Apr 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
15.9° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 10PM is: 0.4m 8s primary swell from a Southeast direction (forecast issued at 02:00pm April 02). An open ocean swell of 1.3m 9s is not directed at the surf break, a second open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Apr) | - | - |
| Afternoon (02 Apr) | 0.5ft (0.1m) | 14s |
| Evening (02 Apr) | 1.5ft (0.4m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 02 | Friday 03 | Saturday 04 | Sunday 05 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 8 | 8 | 4 | 8 | 4 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 6 | 7 | 8 | 10 | 10 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 8 | 8 | 7 | 24 | 24 | 12 | 70 | 8 | 27 | 27 | 37 | 31 | 32 | 32 | 33 | 33 | 83 | 271 | 532 | 1389 | 0 | 0 | 0 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | glass | glass | glass | on | cross- on | cross- on | cross- on | cross | cross | glass | glass | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:34PM 1.46 | 5:27AM 1.54 | 6:08PM 1.47 | 5:51AM 1.57 | 6:45PM 1.44 | 6:18AM 1.57 | ||||||||||||||||||
Low Tide / height (m) | 11:27AM 0.26 | 11:31PM 0.44 | 11:54AM 0.17 | 11:56PM 0.50 | 12:25PM 0.11 | 12:23AM 0.57 | ||||||||||||||||||
Thursday 02 | Friday 03 | Saturday 04 | Sunday 05 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:30 | - |
| Sunset | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - |
 | | |  | | | | | |  | | |  |  |  | |  | | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 5 | 25 | 28 | 1 | - | - |
| Temp. °C | 16 | 17 | 15 | 13 | 13 | 12 | 11 | 14 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 17 | 16 | 16 | 18 | 16 | 16 | 17 |
| Feels °C (?) | 7 | 11 | 10 | 11 | 11 | 11 | 9 | 12 | 12 | 13 | 14 | 13 | 12 | 14 | 13 | 10 | 12 | 13 | 12 | 12 | 13 | 15 | 13 | 16 |
- Map Icons:
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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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