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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Sunday 22 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
15.3° C
(Which is 2.3°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 7AM is: 0.2m 12s primary swell from a East direction and 0.2m 4s secondary swell from a East-southeast direction (forecast issued at 02:00am March 22). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Mar) | 0.5ft (0.2m) | 12s |
| Afternoon (22 Mar) | 0.5ft (0.2m) | 12s |
| Evening (22 Mar) | 0.5ft (0.2m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 22 | Monday 23 | Tuesday 24 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 5 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 41 | 43 | 44 | 112 | 196 | 233 | 219 | 196 | 176 | 154 | 117 | 105 | 75 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | glass | cross- on | cross | cross- off | off | off | glass | cross- off | cross- off | glass | cross | cross- on | cross | glass | glass | glass | on | on | on | on | on |
High Tide / height (m) | 6:53AM 1.55 | 7:52PM 1.33 | 7:23AM 1.51 | 8:44PM 1.22 | 7:55AM 1.42 | |||||||||||||||||||
Low Tide / height (m) | 12:53AM 0.52 | 1:33PM 0.16 | 1:23AM 0.63 | 2:16PM 0.20 | 1:58AM 0.76 | 3:09PM 0.27 | ||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | ||||||||||||||||||||||
| Sunrise | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:59 | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - |
 | |  |  |  | |  | | |  |  | | | | | |  | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - |
| Temp. °C | 11 | 9 | 9 | 10 | 13 | 14 | 14 | 13 | 11 | 9 | 8 | 8 | 10 | 13 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 14 | 14 | 13 |
| Feels °C (?) | 9 | 6 | 6 | 7 | 9 | 10 | 11 | 10 | 7 | 7 | 6 | 5 | 8 | 10 | 10 | 10 | 11 | 9 | 11 | 11 | 10 | 11 | 11 | 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
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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