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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Tuesday 24 Feb 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
14.9° 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 2AM is: 0.5m 4s primary swell from a South direction and 0.4m 4s secondary swell from a Southeast direction (forecast issued at 08:00pm February 24). An open ocean swell of 0.6m 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 (25 Feb) | 3ft (0.9m) | 6s |
| Afternoon (25 Feb) | 7ft (2.2m) | 8s |
| Evening (25 Feb) | 4.5ft (1.4m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| 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) (?) | 4 | 5 | 10 | 5 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 16 | 7 | 19 | 35 | 43 | 58 | 346 | 539 | 511 | 286 | 205 | 190 | 190 | 158 | 160 | 134 | 108 | 105 | 120 | 123 | 129 | 112 | 112 | 112 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | cross- off | cross | cross- off | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | off | glass | cross- off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:57AM 1.01 | 10:10AM 1.23 | 3:26AM 1.12 | 12:06PM 1.15 | 4:06AM 1.23 | 2:00PM 1.17 | ||||||||||||||||||
Low Tide / height (m) | 5:06PM 0.41 | 4:00AM 0.97 | 6:47PM 0.41 | 7:20AM 1.06 | 8:21PM 0.35 | 9:32AM 0.98 | ||||||||||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:39 |
 |  | | |  |  |  | |  | | |  |  |  | | | | | | | |  | | | |
Rain (mm) | - | 1 | 1 | 1 | 20 | 17 | 1 | 1 | 8 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 15 | 14 | 13 | 13 | 15 | 14 | 10 | 10 | 10 | 11 | 10 | 11 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 17 | 18 |
| Feels °C (?) | 12 | 13 | 15 | 13 | 13 | 12 | 13 | 12 | 4 | 1 | 1 | 4 | 3 | 5 | 11 | 13 | 12 | 12 | 12 | 11 | 10 | 11 | 15 | 14 |
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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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