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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Wednesday 06 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
18.3° C
(Which is 1.9°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: 0.8m 6s primary swell from a Southeast direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 06). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | - | - |
| Afternoon (06 May) | 2.5ft (0.8m) | 6s |
| Evening (06 May) | 2.5ft (0.8m) | 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 Fri afternoon. Warm (max 23°C on Sat morning, min 15°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the W by Fri night). | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | SE 6 | ESE 10 | SE 7 | SE 7 | SSE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSW 6 | SSW 6 | ESE 10 | ESE 11 | ESE 11 | SE 11 | SE 10 | |
34 | 48 | 42 | 42 | 35 | 34 | 35 | 42 | 54 | 58 | 65 | 68 | 77 | 90 | 90 | 90 | 92 | 106 | 230 | 97 | 99 | 75 | 90 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | glassy | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:05PM1.32m | 7:35AM1.37m | 10:19PM1.28m | 8:30AM1.23m | 11:48PM1.29m | |||||||||||||||||||
Low Tide | 2:05PM0.17m | 2:17AM0.96m | 2:59PM0.28m | 3:47AM1.00m | 4:06PM0.40m | 5:46AM0.96m | ||||||||||||||||||
 | | |  | |  |  | | |  | |  | | | | | | |  |  | | | | | |
 | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — |
 | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | 6:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 18 | 20 | 21 | 20 | 19 | 18 | 18 | 18 | 21 | 21 | 22 | 19 | 17 | 17 | 16 | 15 | 17 |
16 | 17 | 17 | 18 | 16 | 16 | 16 | 19 | 19 | 19 | 19 | 18 | 17 | 19 | 19 | 22 | 19 | 19 | 16 | 13 | 10 | 7 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SSE 7 | SSE 7 | S 6 | S 6 | S 6 | ESE 10 | SE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SE 11 | SE 10 |
 kJ | 34 | 42 | 42 | 42 | 35 | 34 | 35 | 42 | 40 | 52 | 65 | 68 | 77 | 67 | 63 | 62 | 92 | 106 | 94 | 97 | 75 | 75 | 90 | 85 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | — | — | ESE 11 | — | — | N 7 |
| kJ | 34 | 48 | 33 | 32 | 32 | 32 | 33 | 34 | 54 | 58 | 58 | 68 | 67 | 90 | 90 | 90 | — | — | — | — | 99 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | SW 6 | SW 6 | SW 5 | SW 5 | S 5 | S 5 | S 5 | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | — | — | — | — | — | — | — | — | SSW 2 | SW 3 | WSW 3 | WSW 3 | WNW 3 | — | — | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 7 | W 7 | W 7 | W 7 |
| kJ | 2 | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 3 | 1 | — | — | 64 | 84 | 230 | 398 | 381 | 427 | 345 | 384 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 6 | 13 | 13 | 6 | 6 | 6 | 211 | 65 | 2 | 2 | 2 | 2 | 6 | 355 | 355 | 6 | 351 | 351 | 103 | 103 | 103 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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