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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Saturday 07 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
15.1° 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 7AM is: 0.2m 12s primary swell from a East direction and 0.4m 6s secondary swell from a Southeast direction (forecast issued at 02:00am March 07). An open ocean swell of 0.9m 6s is not directed at the surf break, a second open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Mar) | 1.5ft (0.4m) | 7s |
| Afternoon (07 Mar) | 0.5ft (0.2m) | 11s |
| Evening (07 Mar) | 0.5ft (0.2m) | 16s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 07 | Sunday 08 | Monday 09 | ||||||||||||||||||||||
| 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 | 12 | 12 | 7 | 16 | 11 | 16 | 16 | 15 | 15 | 8 | 11 | 6 | 6 | 6 | 11 | 12 | 15 | 14 | 5 | 5 | 5 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 26 | 11 | 11 | 19 | 10 | 19 | 19 | 19 | 17 | 18 | 10 | 0 | 18 | 6 | 9 | 11 | 4 | 4 | 0 | 2 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | off | glass | on | glass | cross- off | off | off | off | glass | cross- on | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:01AM 1.56 | 7:36PM 1.38 | 7:30AM 1.53 | 8:23PM 1.27 | 8:00AM 1.47 | |||||||||||||||||||
Low Tide / height (m) | 12:54AM 0.38 | 1:29PM 0.23 | 1:24AM 0.49 | 2:10PM 0.24 | 1:56AM 0.63 | 2:59PM 0.28 | ||||||||||||||||||
Saturday 07 | Sunday 08 | Monday 09 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:49 | - | - |
 |  |  |  | | |  | | | | | | | | | | | | | | |  | | | |
Rain (mm) | 3 | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 10 | 10 | 11 | 12 | 9 | 8 | 6 | 4 | 5 | 6 | 9 | 9 | 10 | 8 | 7 | 6 | 5 | 7 | 9 | 12 | 11 | 9 |
| Feels °C (?) | 11 | 8 | 2 | 0 | 0 | 1 | -1 | 1 | -1 | -5 | -5 | 0 | 6 | 5 | 7 | 4 | 3 | 2 | 1 | 5 | 5 | 4 | 3 | 1 |
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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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