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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Monday 06 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
15.5° C
(Which is 2.7°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 10PM is: 0.7m 8s primary swell from a East-southeast direction (forecast issued at 02:00pm April 06). An open ocean swell of 1.1m 7s is not directed at the surf break, a second open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Apr) | - | - |
| Afternoon (06 Apr) | 2.5ft (0.7m) | 8s |
| Evening (06 Apr) | 2.5ft (0.7m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| 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) (?) | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 7 | 6 | 9 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 65 | 64 | 64 | 62 | 62 | 61 | 67 | 68 | 53 | 45 | 53 | 99 | 117 | 16 | 0 | 21 | 36 | 12 | 15 | 19 | 28 | 47 | 45 | 45 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | glass | cross- off | glass | on | on | cross- on | cross- on | glass | off | cross- off | glass |
High Tide / height (m) | 8:12PM 1.30 | 7:19AM 1.47 | 9:12PM 1.20 | 7:54AM 1.36 | 10:47PM 1.13 | 8:37AM 1.23 | ||||||||||||||||||
Low Tide / height (m) | 1:39PM 0.12 | 1:28AM 0.77 | 2:26PM 0.20 | 2:11AM 0.88 | 3:25PM 0.30 | 3:24AM 0.99 | ||||||||||||||||||
Monday 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:24 | - |
| Sunset | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - |
 |  | |  | | | |  | | | |  |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 3 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 14 | 14 | 16 | 13 | 10 | 9 | 10 | 8 | 11 | 12 | 12 | 13 | 13 | 12 | 11 | 11 | 13 |
| Feels °C (?) | 17 | 15 | 15 | 16 | 17 | 18 | 13 | 11 | 12 | 11 | 5 | 0 | 3 | 8 | 4 | 9 | 8 | 8 | 9 | 10 | 10 | 8 | 8 | 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
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