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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Monday 09 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
14.7° 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 3PM is: 0.1m 10s primary swell from a East direction (forecast issued at 08:00am March 09). An open ocean swell of 0.3m 11s is not directed at the surf break, a second open ocean swell of 0.8m 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 (09 Mar) | 0.5ft (0.1m) | 10s |
| Afternoon (09 Mar) | 0.5ft (0.1m) | 10s |
| Evening (09 Mar) | 0.5ft (0.1m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 09 | Tuesday 10 | Wednesday 11 | Thu 12 | |||||||||||||||||||||
| 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) (?) | 14 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 2 | 2 | 2 | 4 | 2 | 2 | 2 | 2 | 0 | 22 | 22 | 22 | 22 | 23 | 2 | 2 | 3 | 162 | 133 | 108 | 81 | 178 | 175 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- off | cross- off | cross- off | off | cross- off | off | glass | glass | on | cross | cross- off | cross | cross | cross- off | cross- off | on | cross- on | cross- on | glass | cross- off | cross- off |
High Tide / height (m) | 8:00AM 1.47 | 9:22PM 1.14 | 8:34AM 1.37 | 11:04PM 1.03 | 9:13AM 1.26 | 2:25AM 1.08 | ||||||||||||||||||
Low Tide / height (m) | 2:59PM 0.28 | 2:30AM 0.78 | 4:02PM 0.35 | 3:13AM 0.93 | 5:29PM 0.41 | |||||||||||||||||||
Monday 09 | Tuesday 10 | Wednesday 11 | Thu 12 | |||||||||||||||||||||
| Sunrise | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:50 | - | - | - | - |
 |  | |  |  |  | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 7 | 9 | 12 | 11 | 9 | 8 | 7 | 7 | 8 | 10 | 10 | 8 | 7 | 8 | 8 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 7 |
| Feels °C (?) | 2 | 3 | 5 | 5 | 4 | 3 | 4 | 3 | 3 | 5 | 7 | 5 | 2 | 3 | 4 | 5 | 4 | 4 | 4 | 5 | 6 | 7 | 5 | 4 |
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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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