- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Monday 13 Apr 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
16.2° 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 9PM is: 0.7m 11s primary swell from a Southeast direction and 0.4m 5s secondary swell from a East-southeast direction (forecast issued at 02:00pm April 13). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | - | - |
| Afternoon (13 Apr) | 1.5ft (0.4m) | 10s |
| Evening (13 Apr) | 2.5ft (0.7m) | 11s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 10 | 11 | 11 | 11 | 9 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 55 | 36 | 63 | 117 | 115 | 143 | 100 | 151 | 122 | 122 | 124 | 167 | 205 | 304 | 390 | 601 | 1384 | 1184 | 1694 | 1672 | 1441 | 1641 | 1885 | 2140 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | glass | cross | cross- off | cross- off | cross- on | cross- on | on | on | cross- on | cross | cross | cross | cross | cross- on | on | on | glass | off | cross- off | cross | cross |
High Tide / height (m) | 3:23PM 1.25 | 3:53AM 1.42 | 4:04PM 1.33 | 4:14AM 1.46 | 4:40PM 1.40 | 4:34AM 1.50 | ||||||||||||||||||
Low Tide / height (m) | 9:46AM 0.61 | 9:36PM 0.43 | 10:13AM 0.48 | 10:10PM 0.45 | 10:38AM 0.36 | 10:38PM 0.49 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:15 | - |
| Sunset | - | - | 6:15 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - |
 | |  |  |  | | |  | | | | | |  | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 |
| Temp. °C | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 18 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 14 | 15 |
| Feels °C (?) | 19 | 18 | 17 | 18 | 17 | 15 | 15 | 17 | 17 | 16 | 15 | 17 | 16 | 14 | 14 | 16 | 17 | 16 | 18 | 17 | 15 | 14 | 12 | 11 |
- Map Icons:
Break
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.
Nearest