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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 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 1AM is: 0.5m 9s primary swell from a East-southeast direction (forecast issued at 08:00pm May 02). An open ocean swell of 0.8m 7s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 1.5ft (0.5m) | 10s |
| Afternoon (03 May) | 2ft (0.6m) | 10s |
| Evening (03 May) | 4.5ft (1.3m) | 6s |
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 21°C on Sat night, min 11°C on Mon night). Winds increasing (calm on Sat night, near gales from the SSW by Sun night). | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tuesday 5 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSW 5 | SSW 6 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 8 | SE 10 | SE 10 | SE 10 | E 10 | ESE 10 | ESE 10 | |
26 | 32 | 47 | 49 | 54 | 54 | 72 | 71 | 50 | 111 | 50 | 49 | 29 | 33 | 32 | 33 | 33 | 67 | 27 | 27 | 27 | 100 | 39 | 38 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | cross | cross-on | |
High Tide | 6:03PM1.45m | 5:13AM1.59m | 6:40PM1.44m | 5:43AM1.59m | 7:20PM1.41m | 6:16AM1.56m | ||||||||||||||||||
Low Tide | 11:28PM0.74m | 12:03PM0.05m | 11:59PM0.79m | 12:39PM0.05m | 00:34AM0.84m | 1:19PM0.09m | ||||||||||||||||||
 |  |  | |  |  | | | |  |  |  |  | | | | |  | | | | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | 4 | 7 | 12 | 3 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 21 | 19 | 18 | 17 | 19 | 20 | 20 | 20 | 18 | 19 | 21 | 19 | 19 | 20 | 20 | 18 | 15 | 13 | 11 | 13 | 16 | 17 | 17 |
16 | 15 | 17 | 16 | 16 | 17 | 19 | 17 | 18 | 17 | 16 | 15 | 16 | 14 | 14 | 12 | 9 | 7 | 5 | 5 | 11 | 14 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | 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 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 9 | ESE 10 | SE 10 | SW 9 | WSW 8 | SW 8 | SW 8 |
 kJ | 26 | 32 | 84 | 79 | 49 | 38 | 72 | 71 | 50 | 50 | 50 | 49 | 29 | 31 | 32 | 19 | 20 | 866 | 21 | 27 | 471 | 277 | 129 | 90 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | N 6 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | S 6 | S 6 | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 8 | SE 10 | — | SE 10 | SE 10 | W 5 | ESE 10 |
| kJ | 11 | 1 | 47 | 49 | 54 | 54 | 3 | 1 | — | — | — | — | — | 33 | 32 | 33 | 33 | 67 | 27 | — | 27 | 26 | 13 | 38 |
Swell 3 Height (m) Direction Period (s) | — | — | S 7 | S 6 | S 7 | S 6 | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | — | — | — | NW 5 | ESE 10 | W 5 |
| kJ | — | — | 3 | 3 | 8 | 3 | — | — | — | — | — | — | — | — | — | — | — | 21 | — | — | — | 1 | 39 | 4 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 8 | WSW 4 | NW 4 | — | — | SW 6 | SSW 6 | SSW 5 | SSW 6 | SSW 7 | SSW 8 | SW 9 | SW 10 | SW 10 | SW 10 | WSW 9 | WNW 6 | WSW 9 | WSW 9 | NW 5 | E 10 | E 4 | E 5 |
| kJ | 193 | 277 | 18 | 4 | — | — | 30 | 44 | 49 | 111 | 261 | 1275 | 2722 | 2310 | 2039 | 1637 | 1704 | 187 | 1185 | 1149 | 67 | 100 | 11 | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 112 | 65 | 2 | 2 | 6 | 13 | 6 | 827 | 827 | 619 | 355 | 352 | 352 | 373 | 355 | 369 | 373 | 127 | 103 | 2 | 2 | 2 | 6 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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