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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Friday 08 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
18.4° 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 1AM is: 0.6m 11s primary swell from a East-southeast direction (forecast issued at 08:00pm May 08). An open ocean swell of 1.3m 7s is not directed at the surf break, a second open ocean swell of 1.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 2ft (0.6m) | 10s |
| Afternoon (09 May) | 1.5ft (0.5m) | 10s |
| Evening (09 May) | 2ft (0.6m) | 11s |
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 21°C on Sat morning, min 14°C on Fri night). Mainly strong winds. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Monday 11 | |||||||||||||||||||||
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 10 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | |
94 | 73 | 75 | 75 | 75 | 68 | 51 | 51 | 54 | 75 | 75 | 71 | 68 | 67 | 64 | 81 | 78 | 75 | 56 | 56 | 59 | 65 | 56 | 65 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | on | on | cross-off | off | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross | cross | cross | cross-on | on | cross-on | |
High Tide | 11:48PM1.29m | 10:06AM1.10m | 1:02AM1.33m | 12:32PM1.07m | 1:51AM1.38m | 2:06PM1.15m | ||||||||||||||||||
Low Tide | 4:06PM0.40m | 5:46AM0.96m | 5:26PM0.50m | 7:25AM0.83m | 6:47PM0.57m | 8:25AM0.68m | ||||||||||||||||||
 |  |  | |  | | | | |  | | | | | | | | | | | | | | | |
 | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:48 | — | — | — | — |
 | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 19 | 17 | 15 | 14 | 17 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 17 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 18 | 18 | 18 |
18 | 13 | 8 | 5 | 5 | 10 | 19 | 17 | 17 | 17 | 14 | 14 | 13 | 14 | 17 | 15 | 16 | 15 | 15 | 14 | 14 | 16 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | S 7 | SSW 7 | SSW 7 | ESE 11 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 11 | ESE 11 | ESE 10 | W 5 | W 5 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 5 | ESE 6 | ESE 6 | SE 6 | SE 6 |
 kJ | 94 | 152 | 171 | 84 | 75 | 68 | 51 | 51 | 54 | 75 | 75 | 71 | 33 | 24 | 64 | 81 | 78 | 75 | 56 | 16 | 22 | 47 | 39 | 29 |
Swell 2 Height (m) Direction Period (s) | — | ESE 10 | ESE 11 | ESE 11 | — | — | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | ESE 10 | ESE 10 | W 5 | W 4 | W 4 | — | SW 5 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 |
| kJ | — | 73 | 75 | 75 | — | — | 4 | 4 | 4 | 4 | 4 | 1 | 68 | 67 | 10 | 3 | 1 | — | 1 | 56 | 59 | 65 | 56 | 65 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSE 7 | — | — | — | S 7 | — | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | E 5 | — | SE 11 | — | — | — | — |
| kJ | — | — | — | 5 | — | — | — | 4 | — | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | — | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | W 4 | WNW 5 | WNW 6 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 5 | WNW 6 | — | — | E 4 | E 4 | ESE 4 | E 5 | — | NE 2 | — | — | — |
| kJ | 170 | 19 | 108 | 405 | 460 | 346 | 199 | 143 | 177 | 92 | 62 | 43 | 119 | — | — | 6 | 6 | 4 | 14 | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 351 | 369 | 260 | 103 | 103 | 104 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 13 | 352 | 208 | 104 | 65 | 13 | 13 | 13 | 65 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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