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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Monday 17 Nov 2025 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
20.7° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 6AM is: 0.8m 7s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 02:00am November 17). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Nov) | 3ft (0.9m) | 8s |
| Afternoon (17 Nov) | 3ft (0.9m) | 8s |
| Evening (17 Nov) | 2.5ft (0.8m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 10 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 53 | 56 | 59 | 88 | 91 | 91 | 64 | 62 | 43 | 31 | 18 | 12 | 6 | 9 | 8 | 11 | 20 | 20 | 20 | 29 | 19 | 18 | 11 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | on | on | on | cross- on |
High Tide / height (m) | 3:43AM 1.40 | 3:16PM 1.59 | 4:25AM 1.46 | 3:41PM 1.62 | 5:02AM 1.50 | 4:06PM 1.65 | ||||||||||||||||||
Low Tide / height (m) | 9:31PM 0.53 | 9:18AM 0.82 | 10:03PM 0.41 | 9:55AM 0.86 | 10:32PM 0.31 | 10:26AM 0.91 | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:40 | - | - | - | - | - | - | - | 4:40 | - | - | - | - | - | - | - | 4:39 | - | - |
 | | |  | | | |  | | | | | |  | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 13 | 15 | 20 | 20 | 18 | 17 | 16 | 14 | 12 | 13 | 15 | 14 | 11 | 10 | 9 | 8 | 8 | 9 | 12 | 13 | 13 | 13 |
| Feels °C (?) | 14 | 13 | 10 | 10 | 14 | 13 | 11 | 11 | 9 | 5 | 3 | 4 | 6 | 6 | 3 | 1 | 0 | 2 | 4 | 5 | 8 | 8 | 9 | 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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