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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Saturday 23 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
20.2° C
(Which is 1.4°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: 2.1m 6s primary swell from a East direction (forecast issued at 02:00pm May 23). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | - | - |
| Afternoon (23 May) | 0.5ft (0.2m) | 6s |
| Evening (23 May) | 7ft (2.2m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 17°C on Sat afternoon). Winds decreasing (fresh winds from the ENE on Sat night, calm by Mon night). | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 7 | S 6 | E 6 | E 6 | ESE 6 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
5 | 3 | 354 | 402 | 303 | 298 | 233 | 218 | 253 | 262 | 236 | 249 | 437 | 284 | 341 | 250 | 295 | 211 | 206 | 176 | 140 | 140 | 116 | 119 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | on | on | on | cross-on | cross | glassy | glassy | cross-on | |
High Tide | 9:10AM1.19m | 11:45PM1.37m | 11:03AM1.10m | 00:47AM1.40m | 1:05PM1.11m | 1:36AM1.43m | ||||||||||||||||||
Low Tide | 4:21PM0.47m | 6:08AM0.87m | 5:34PM0.58m | 7:26AM0.74m | 6:49PM0.67m | 8:23AM0.59m | ||||||||||||||||||
 |  | |  |  | |  | | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 19 | 20 | 21 | 20 | 19 | 19 | 18 | 18 | 21 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 21 |
11 | 12 | 12 | 11 | 12 | 12 | 13 | 15 | 17 | 20 | 19 | 18 | 18 | 17 | 17 | 20 | 22 | 21 | 20 | 21 | 21 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SE 12 | SE 12 | SE 12 | E 12 | — | E 10 | E 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 7 | S 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 12 | 7 | 2 | 2 | 2 | 6 | 6 | 6 | 3 | — | 46 | 48 | 232 | 284 | 250 | 250 | 217 | 17 | 27 | 176 | 140 | 140 | 116 | 119 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | S 6 | — | — | — | — | SE 12 | — | — | — | — | — | E 9 | E 10 | ENE 10 | ENE 11 | SSW 8 | ENE 11 | ENE 11 | S 7 | S 7 | S 7 | ENE 11 | ENE 11 |
| kJ | 5 | 3 | — | — | — | — | 6 | — | — | — | — | — | 43 | 19 | 33 | 38 | 28 | 40 | 43 | 24 | 15 | 15 | 41 | 40 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 9 | SSW 9 | ENE 11 | SW 8 | SW 7 | ENE 12 | ENE 12 | ENE 11 | SSE 7 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 16 | 39 | 17 | 14 | 45 | 44 | 42 | 9 | 7 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 6 | E 6 | ESE 6 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | — | ESE 8 | — | E 8 | ESE 8 | ESE 8 | — | — | — | — | — |
| kJ | 319 | 342 | 354 | 402 | 303 | 298 | 233 | 218 | 253 | 262 | 236 | 249 | 437 | — | 341 | — | 295 | 211 | 206 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 903 | 415 | 415 | 103 | 150 | 150 | 13 | 112 | 85 | 85 | 85 | 2 | 2 | 2 | 13 | 104 | 85 | 104 | 103 | 13 | 2 | 2 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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