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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Monday 04 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
18.0° 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 3PM is: 0.3m 10s primary swell from a East-southeast direction (forecast issued at 08:00am May 04). An open ocean swell of 3.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 1.5ft (0.4m) | 10s |
| Afternoon (04 May) | 1ft (0.3m) | 10s |
| Evening (04 May) | 1ft (0.3m) | 10s |
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 Mon morning. Warm (max 22°C on Mon morning, min 12°C on Mon night). Winds decreasing (strong winds from the WSW on Mon afternoon, calm by Tue night). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | SE 10 | SE 10 | SE 10 | E 6 | E 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 6 | SE 6 | ESE 9 | ESE 9 | SE 6 | SE 6 | ESE 9 | ESE 9 | |
29 | 31 | 32 | 20 | 20 | 21 | 41 | 29 | 27 | 26 | 91 | 66 | 54 | 37 | 37 | 36 | 35 | 34 | 49 | 48 | 33 | 32 | 47 | 46 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-on | on | on | on | on | glassy | glassy | cross-off | cross-off | cross | cross | on | on | cross-on | cross | cross | |
High Tide | 5:43AM1.59m | 7:20PM1.41m | 6:16AM1.56m | 8:08PM1.37m | 6:53AM1.48m | 9:05PM1.32m | ||||||||||||||||||
Low Tide | 12:39PM0.05m | 00:34AM0.84m | 1:19PM0.09m | 1:18AM0.90m | 2:05PM0.17m | 2:17AM0.96m | ||||||||||||||||||
 | |  | |  |  |  | | | | |  | |  | | | | | | | | | | | |
 | 4:54 | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:50 |
 | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | 6:36 |
4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 18 | 22 | 21 | 17 | 15 | 13 | 12 | 14 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 17 | 18 | 18 | 17 | 17 | 16 | 16 |
16 | 14 | 16 | 13 | 8 | 6 | 5 | 8 | 11 | 10 | 11 | 14 | 14 | 15 | 15 | 13 | 12 | 13 | 16 | 17 | 17 | 18 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | ESE 10 | SW 9 | ESE 10 | S 8 | SW 9 | WSW 9 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SE 5 | ESE 10 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 5 | SE 5 |
 kJ | 29 | 31 | 32 | 20 | 1010 | 21 | 41 | 470 | 475 | 267 | 129 | 93 | 60 | 46 | 24 | 36 | 30 | 31 | 31 | 31 | 31 | 31 | 14 | 18 |
Swell 2 Height (m) Direction Period (s) | — | ESE 9 | E 10 | — | ESE 10 | ESE 10 | ESE 10 | S 8 | SE 10 | SE 10 | W 5 | SE 10 | ESE 10 | ESE 10 | SW 7 | SW 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | — | 17 | 7 | — | 20 | 20 | 21 | 29 | 27 | 26 | 13 | 24 | 54 | 37 | 27 | 13 | 35 | 34 | 49 | 48 | 33 | 32 | 47 | 46 |
Swell 3 Height (m) Direction Period (s) | — | E 10 | — | — | — | — | — | SE 10 | SE 10 | — | SE 10 | W 4 | W 4 | SSE 7 | ESE 10 | SSE 6 | SW 7 | SW 6 | WSW 6 | SW 6 | SSW 5 | W 7 | SSW 5 | SW 7 |
| kJ | — | 17 | — | — | — | — | — | 27 | 26 | — | 25 | 3 | 1 | 5 | 37 | 8 | 7 | 6 | 4 | 2 | 5 | 1 | 4 | 2 |
Wind waves Height (m) Direction Period (s) | SW 9 | SW 10 | SW 10 | WSW 9 | WNW 6 | WSW 9 | WSW 9 | WNW 6 | WNW 6 | E 5 | E 6 | E 6 | ESE 5 | ESE 5 | — | SE 5 | NNE 2 | NE 3 | SSW 5 | SSW 5 | — | — | — | — |
| kJ | 2722 | 2408 | 2129 | 2048 | 215 | 1406 | 1181 | 148 | 154 | 7 | 91 | 66 | 23 | 20 | — | 23 | 1 | 2 | 4 | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 351 | 334 | 334 | 619 | 373 | 103 | 351 | 2 | 13 | 94 | 104 | 208 | 208 | 13 | 13 | 148 | 13 | 13 | 13 | 13 | 66 | 13 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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