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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm 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
15.0° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 5AM is: 0.5m 5s primary swell from a Southeast direction and 0.2m 12s secondary swell from a East direction (forecast issued at 08:00pm March 22). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | 2.5ft (0.7m) | 5s |
| Afternoon (23 Mar) | 1.5ft (0.5m) | 6s |
| Evening (23 Mar) | 3.5ft (1.0m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11 | 11 | 11 | 11 | 19 | 29 | 27 | 19 | 46 | 100 | 182 | 203 | 161 | 142 | 147 | 157 | 122 | 73 | 58 | 53 | 54 | 55 | 35 | 23 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross | cross- off | cross | cross- off | on | cross- on | cross- on | glass | glass | glass | on | on | on | on | cross- on | cross | cross | cross | cross | cross- on | cross |
High Tide / height (m) | 7:52PM 1.33 | 7:23AM 1.51 | 8:44PM 1.22 | 7:55AM 1.42 | 9:57PM 1.11 | 8:30AM 1.31 | ||||||||||||||||||
Low Tide / height (m) | 1:23AM 0.63 | 2:16PM 0.20 | 1:58AM 0.76 | 3:09PM 0.27 | 2:40AM 0.90 | |||||||||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:45 | - | - | - |
| Sunset | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - |
 | | |  |  | |  |  | |  | |  | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | 3 |
| Temp. °C | 14 | 13 | 12 | 9 | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 12 |
| Feels °C (?) | 11 | 9 | 9 | 7 | 5 | 7 | 10 | 11 | 11 | 12 | 11 | 10 | 11 | 11 | 10 | 9 | 9 | 10 | 11 | 9 | 9 | 9 | 10 | 10 |
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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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