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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm 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 2.0°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 10PM is: 0.3m 10s primary swell from a East-southeast direction (forecast issued at 02:00pm May 04). An open ocean swell of 3.0m 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) | - | - |
| 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 4mm), mostly falling on Wed afternoon. Warm (max 22°C on Mon afternoon, min 12°C on Mon night). Winds decreasing (strong winds from the WNW on Mon night, calm by Thu morning). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | SE 10 | SE 10 | SE 10 | E 6 | E 6 | ESE 10 | ESE 10 | SE 5 | ESE 10 | SE 5 | ESE 9 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | SE 6 | SE 6 | SE 7 | |
32 | 19 | 20 | 21 | 43 | 29 | 27 | 40 | 67 | 46 | 38 | 37 | 37 | 36 | 35 | 34 | 49 | 46 | 40 | 98 | 116 | 109 | 103 | 114 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-on | on | on | on | on | glassy | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:20PM1.41m | 6:16AM1.56m | 8:08PM1.37m | 6:53AM1.48m | 9:05PM1.32m | 7:35AM1.37m | ||||||||||||||||||
Low Tide | 12:39PM0.05m | 00:34AM0.84m | 1:19PM0.09m | 1:18AM0.90m | 2:05PM0.17m | 2:17AM0.96m | ||||||||||||||||||
 | | |  | |  | |  | | | |  | | |  | | | |  |  | | | | | |
 | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:50 | — | — |
 | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | 6:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 22 | 22 | 17 | 15 | 13 | 12 | 14 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 18 | 17 | 16 | 16 | 15 | 16 | 17 | 18 |
17 | 14 | 9 | 6 | 5 | 8 | 10 | 10 | 13 | 14 | 14 | 15 | 14 | 13 | 12 | 13 | 16 | 15 | 16 | 15 | 13 | 15 | 16 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SW 9 | ESE 10 | S 8 | SW 9 | WSW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SW 5 | ESE 9 | SE 6 | SE 6 | SE 7 |
 kJ | 32 | 19 | 1215 | 21 | 43 | 492 | 465 | 262 | 132 | 93 | 60 | 36 | 30 | 25 | 31 | 28 | 36 | 46 | 40 | 1 | 32 | 109 | 103 | 114 |
Swell 2 Height (m) Direction Period (s) | E 10 | — | ESE 10 | ESE 10 | ESE 10 | S 8 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | W 7 | W 7 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 7 | — | 20 | 21 | 21 | 29 | 27 | 26 | 25 | 38 | 38 | 37 | 37 | 36 | 35 | 34 | 49 | 33 | 33 | 1 | 1 | 34 | 33 | 42 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SE 10 | NNW 6 | ESE 10 | S 7 | WNW 5 | WNW 4 | SSE 7 | SW 7 | SW 7 | SW 7 | WSW 6 | SW 6 | SW 6 | SW 5 | W 7 | — | W 7 | W 7 | W 6 |
| kJ | — | — | — | — | — | 27 | 21 | 40 | 8 | 4 | 2 | 9 | 19 | 13 | 7 | 4 | 2 | 1 | 1 | 1 | — | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SW 10 | SW 9 | WNW 6 | WSW 9 | WSW 9 | WNW 6 | — | E 4 | E 6 | E 6 | ESE 4 | ESE 5 | — | — | NNE 2 | NE 3 | — | — | — | SE 6 | ESE 6 | — | NE 3 | N 3 |
| kJ | 2046 | 1864 | 193 | 1441 | 1162 | 148 | — | 19 | 67 | 46 | 15 | 28 | — | — | 1 | 1 | — | — | — | 98 | 116 | — | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 334 | 619 | 351 | 103 | 112 | 2 | 13 | 94 | 104 | 104 | 208 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 208 | 2 | 13 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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