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Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Monday 01 Dec 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
19.1° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 6AM is: 0.4m 10s primary swell from a Southeast direction (forecast issued at 02:00am December 01). An open ocean swell of 0.4m 4s is not directed at the surf break, a second open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (01 Dec) | 1.5ft (0.4m) | 10s |
| Evening (01 Dec) | 1.5ft (0.4m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 01 | Tuesday 02 | Wednesday 03 | ||||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 28 | 27 | 27 | 27 | 27 | 37 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 25 | 28 | 37 | 36 | 36 | 27 | 20 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | glass | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:13AM 1.30 | 2:36PM 1.53 | 4:03AM 1.36 | 3:06PM 1.55 | 4:45AM 1.42 | 3:35PM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 8:32AM 0.86 | 9:33PM 0.41 | 9:19AM 0.91 | 10:07PM 0.30 | 9:58AM 0.96 | |||||||||||||||||||
Monday 01 | Tuesday 02 | Wednesday 03 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:36 | - | - | - | - | - | - | - | 4:36 | - | - | - | - | - | - | - | 4:36 | - | - |
 | | |  |  |  |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 15 | 16 | 18 | 20 | 18 | 17 | 16 | 14 | 14 | 14 | 17 | 19 | 17 | 16 | 15 | 14 | 14 | 14 | 13 | 12 | 8 | 6 |
| Feels °C (?) | 9 | 9 | 11 | 13 | 14 | 16 | 13 | 12 | 12 | 11 | 12 | 12 | 15 | 16 | 14 | 13 | 12 | 10 | 10 | 8 | 5 | 3 | -4 | -6 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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