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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Sunday 10 May 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
17.9° 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 11PM is: 1.0m 6s primary swell from a East-southeast direction and 0.6m 9s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 10). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | - | - |
| Afternoon (10 May) | - | - |
| Evening (10 May) | 3.5ft (1.0m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 20°C on Wed morning, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wednesday 13 | |||||||||||||||||||||
6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 6 | ESE 6 | SE 6 | SE 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
76 | 73 | 80 | 71 | 75 | 65 | 86 | 86 | 85 | 83 | 109 | 225 | 281 | 260 | 266 | 314 | 288 | 288 | 226 | 221 | 221 | 203 | 203 | 203 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | glassy | glassy | glassy | cross | cross-on | on | on | on | cross-on | cross | cross-off | cross-off | cross | on | on | |
High Tide | 1:51AM1.38m | 2:06PM1.15m | 2:29AM1.42m | 3:08PM1.24m | 3:00AM1.46m | |||||||||||||||||||
Low Tide | 6:47PM0.57m | 8:25AM0.68m | 7:56PM0.61m | 9:07AM0.53m | 8:50PM0.66m | 9:42AM0.40m | ||||||||||||||||||
 |  |  |  | |  | |  | | | | | | | | | | | |  |  | | | | |
 | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | 6:39 |
— | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 18 | 17 | 17 | 17 | 19 | 19 | 19 | 18 | 17 | 16 | 16 | 18 | 18 | 19 | 18 | 18 | 17 | 16 | 16 | 18 | 20 | 20 |
17 | 17 | 17 | 16 | 17 | 16 | 17 | 17 | 18 | 18 | 18 | 16 | 16 | 17 | 16 | 17 | 17 | 18 | 17 | 15 | 15 | 16 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | SE 6 | SE 6 | SE 6 | SE 6 | SE 5 | SE 6 | SE 6 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 76 | 56 | 56 | 71 | 75 | 54 | 36 | 34 | 24 | 40 | 109 | 225 | 281 | 260 | 266 | 314 | 288 | 288 | 226 | 221 | 221 | 203 | 203 | 203 |
Swell 2 Height (m) Direction Period (s) | S 6 | — | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | — | — | — | — | — | — | — | S 10 | S 9 | S 9 | S 7 | — | S 7 |
| kJ | 1 | — | 55 | 55 | 60 | 65 | 86 | 86 | 85 | 83 | 69 | — | — | — | — | — | — | — | 2 | 2 | 2 | 1 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 6 | ESE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 2 | — | — | — |
| kJ | 23 | 73 | 80 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 104 | 208 | 103 | 94 | 94 | 13 | 208 | 208 | 208 | 13 | 2 | 2 | 2 | 13 | 85 | 85 | 13 | 2 | 2 | 2 | 2 | 13 | 104 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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