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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Saturday 02 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
18.1° 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 8PM is: 0.4m 9s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 02:00pm May 02). An open ocean swell of 1.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | - | - |
| Afternoon (02 May) | 1ft (0.3m) | 11s |
| Evening (02 May) | 1.5ft (0.4m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 26mm), heaviest during Sun night. Warm (max 25°C on Sat afternoon, min 13°C on Mon night). Winds decreasing (near gales from the SW on Sun night, calm by Mon night). | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 10 | SE 11 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | SSW 6 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | |
17 | 18 | 26 | 32 | 47 | 49 | 54 | 54 | 72 | 71 | 50 | 111 | 49 | 29 | 30 | 31 | 19 | 20 | 20 | 20 | 27 | 27 | 27 | 39 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | |
High Tide | 6:03PM1.45m | 5:13AM1.59m | 6:40PM1.44m | 5:43AM1.59m | 7:20PM1.41m | 6:16AM1.56m | ||||||||||||||||||
Low Tide | 11:32AM0.09m | 11:28PM0.74m | 12:03PM0.05m | 11:59PM0.79m | 12:39PM0.05m | 00:34AM0.84m | ||||||||||||||||||
 |  |  |  | | | | | | |  |  |  | | | | | | |  | |  | | | |
 | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | 1 | 5 | 9 | 9 | 2 | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 25 | 22 | 21 | 19 | 18 | 17 | 19 | 20 | 20 | 19 | 18 | 19 | 21 | 20 | 19 | 20 | 21 | 19 | 16 | 14 | 13 | 15 | 17 |
16 | 18 | 16 | 17 | 17 | 16 | 16 | 18 | 19 | 18 | 17 | 17 | 15 | 14 | 16 | 15 | 14 | 15 | 12 | 9 | 6 | 9 | 13 | 15 | |
Swell 1 Height (m) Direction Period (s) | E 9 | ESE 9 | ESE 9 | ESE 9 | SW 8 | SW 7 | SW 6 | SW 6 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 9 | ESE 10 | SE 10 | WSW 9 | WSW 9 |
 kJ | 14 | 15 | 26 | 32 | 58 | 79 | 49 | 31 | 72 | 71 | 50 | 50 | 49 | 29 | 30 | 31 | 19 | 20 | 20 | 783 | 20 | 27 | 604 | 354 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 11 | SE 11 | N 6 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | S 6 | S 6 | — | — | — | — | — | ESE 10 | — | — | — | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 17 | 18 | 18 | 1 | 47 | 49 | 54 | 54 | 3 | 1 | — | — | — | — | — | 31 | — | — | — | 20 | 27 | 27 | 27 | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | NW 7 | — | — | S 6 | S 7 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 |
| kJ | — | — | 2 | — | — | 3 | 8 | 7 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 39 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | NW 4 | — | — | SW 6 | SW 6 | SSW 5 | SSW 6 | SSW 7 | SSW 8 | SW 9 | SW 10 | SW 10 | SW 9 | SW 9 | WNW 5 | WSW 9 | WSW 9 | NW 5 | E 3 |
| kJ | 657 | 337 | 229 | 130 | 32 | 2 | — | — | 23 | 34 | 42 | 111 | 319 | 2051 | 2551 | 2096 | 1912 | 1636 | 1274 | 111 | 1107 | 977 | 6 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 397 | 137 | 94 | 2 | 2 | 2 | 13 | 65 | 437 | 827 | 1299 | 619 | 355 | 355 | 352 | 352 | 334 | 334 | 351 | 103 | 103 | 2 | 2 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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