- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 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 8AM is: 0.4m 10s primary swell from a East-southeast direction (forecast issued at 02:00am 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) | 2.5ft (0.8m) | 8s |
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 21°C on Mon morning, min 11°C on Mon night). Winds decreasing (strong winds from the WNW on Mon night, light winds from the ESE by Wed afternoon). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | SE 10 | SE 10 | SE 10 | SE 10 | E 5 | E 5 | ESE 5 | ESE 5 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
50 | 29 | 29 | 31 | 32 | 18 | 33 | 76 | 27 | 27 | 27 | 26 | 44 | 54 | 48 | 38 | 37 | 36 | 35 | 35 | 49 | 33 | 48 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-on | on | on | on | on | cross-on | cross | cross | cross-off | cross | cross-on | on | cross-on | cross-on | |
High Tide | 5:43AM1.59m | 7:20PM1.41m | 6:16AM1.56m | 8:08PM1.37m | 6:53AM1.48m | |||||||||||||||||||
Low Tide | 11:59PM0.79m | 12:39PM0.05m | 00:34AM0.84m | 1:19PM0.09m | 1:18AM0.90m | 2:05PM0.17m | ||||||||||||||||||
 | |  | |  | | |  | |  |  | | |  | | | | | | | | | | | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — |
7 | 6 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 21 | 19 | 19 | 21 | 20 | 16 | 15 | 13 | 11 | 15 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 17 |
15 | 15 | 16 | 14 | 15 | 12 | 8 | 6 | 4 | 6 | 10 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 17 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | ESE 10 | SW 9 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | ESE 10 | SE 5 | ESE 5 | SE 5 | SE 6 | SE 5 | ESE 9 |
 kJ | 50 | 29 | 29 | 31 | 32 | 18 | 20 | 76 | 21 | 505 | 422 | 254 | 151 | 90 | 58 | 35 | 26 | 36 | 18 | 21 | 23 | 24 | 14 | 47 |
Swell 2 Height (m) Direction Period (s) | — | — | — | ESE 10 | — | — | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | SW 7 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 5 |
| kJ | — | — | — | 31 | — | — | 33 | 21 | 27 | 27 | 27 | 26 | 25 | 25 | 38 | 38 | 37 | 12 | 35 | 35 | 49 | 33 | 48 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SE 10 | — | ESE 10 | W 5 | — | SSE 6 | SSE 6 | SSE 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 5 | SSW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | 27 | — | 39 | 5 | — | 7 | 7 | 7 | 7 | 10 | 6 | 5 | 5 | 3 |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 8 | SW 9 | SW 10 | SW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 6 | NNW 5 | E 3 | E 5 | E 5 | ESE 5 | ESE 5 | SE 5 | ESE 5 | NE 3 | NNE 3 | — | — | — | — |
| kJ | 356 | 1241 | 2366 | 2310 | 2140 | 1781 | 1575 | 1149 | 1230 | 143 | 5 | 8 | 44 | 54 | 48 | 33 | 22 | 19 | 1 | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 619 | 355 | 351 | 334 | 334 | 373 | 351 | 103 | 103 | 2 | 103 | 94 | 104 | 104 | 208 | 208 | 13 | 212 | 13 | 13 | 13 | 13 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Katahama surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest