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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Saturday 04 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
15.5° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 4PM is: 2.2m 7s primary swell from a South-southeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00am April 04). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 1.5ft (0.4m) | 10s |
| Afternoon (04 Apr) | 7ft (2.1m) | 7s |
| Evening (04 Apr) | 11ft (3.5m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | Tue 07 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 6 | 7 | 8 | 9 | 10 | 11 | 11 | 9 | 10 | 8 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 33 | 33 | 72 | 431 | 756 | 2128 | 0 | 0 | 0 | 729 | 0 | 354 | 386 | 288 | 256 | 196 | 90 | 88 | 86 | 84 | 65 | 64 | 64 | 65 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | off | glass | cross- on | cross | cross | cross- off | cross- off | off |
High Tide / height (m) | 5:51AM 1.57 | 6:45PM 1.44 | 6:18AM 1.57 | 7:25PM 1.38 | 6:48AM 1.54 | 8:12PM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 12:25PM 0.11 | 12:23AM 0.57 | 12:59PM 0.09 | 12:54AM 0.66 | 1:39PM 0.12 | 1:28AM 0.77 | ||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | Tue 07 | |||||||||||||||||||||
| Sunrise | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - |
 | |  | |  |  |  |  | | | | | |  | | |  |  | | | |  |  | | |
Rain (mm) | - | - | 1 | 4 | 8 | 24 | 6 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 |
| Temp. °C | 14 | 15 | 17 | 17 | 16 | 17 | 18 | 18 | 17 | 18 | 21 | 19 | 17 | 16 | 16 | 15 | 14 | 15 | 17 | 17 | 18 | 17 | 15 | 13 |
| Feels °C (?) | 12 | 12 | 13 | 11 | 13 | 11 | 12 | 16 | 15 | 15 | 17 | 15 | 12 | 12 | 14 | 13 | 13 | 14 | 16 | 15 | 17 | 17 | 14 | 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
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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