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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Friday 01 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
17.8° 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 7AM is: 2.2m 8s primary swell from a East-southeast direction (forecast issued at 02:00am May 01). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 5ft (1.5m) | 8s |
| Afternoon (01 May) | 5ft (1.5m) | 9s |
| Evening (01 May) | 3.5ft (1.1m) | 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 48mm), heaviest during Fri morning. Warm (max 24°C on Sat afternoon, min 14°C on Fri night). Winds decreasing (strong winds from the W on Fri night, calm by Sat night). | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 7 | ESE 7 | ESE 8 | E 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | SE 10 | SE 10 | ESE 9 | SE 10 | E 9 | E 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | |
276 | 307 | 551 | 295 | 287 | 357 | 328 | 194 | 112 | 54 | 35 | 17 | 16 | 26 | 16 | 15 | 24 | 50 | 52 | 52 | 51 | 50 | 50 | 50 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross | cross | |
High Tide | 4:23AM1.53m | 5:28PM1.44m | 4:47AM1.57m | 6:03PM1.45m | 5:13AM1.59m | 6:40PM1.44m | ||||||||||||||||||
Low Tide | 10:35PM0.65m | 11:04AM0.16m | 11:01PM0.69m | 11:32AM0.09m | 11:28PM0.74m | 12:03PM0.05m | ||||||||||||||||||
 | |  |  | |  |  |  | |  |  | | | | | | | | | | | | |  | |
 | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — |
3 | 5 | 8 | 14 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 15 | 16 | 17 | 17 | 17 | 15 | 14 | 14 | 14 | 18 | 22 | 24 | 22 | 19 | 18 | 17 | 17 | 19 | 20 | 20 | 20 | 19 |
10 | 9 | 10 | 13 | 17 | 15 | 10 | 7 | 6 | 6 | 7 | 12 | 15 | 17 | 16 | 16 | 16 | 15 | 16 | 17 | 19 | 18 | 19 | 17 | |
Swell 1 Height (m) Direction Period (s) | — | — | ESE 8 | E 8 | S 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | SW 7 | SW 6 | SW 6 | SW 6 | ESE 9 | ESE 9 | ESE 9 |
 kJ | — | — | 551 | 295 | 770 | 357 | 328 | 194 | 112 | 54 | 35 | 16 | 15 | 26 | 16 | 15 | 24 | 99 | 56 | 36 | 23 | 50 | 50 | 50 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 8 | SW 9 | E 9 | — | — | SE 8 | — | ESE 9 | SE 10 | SE 10 | ESE 11 | SE 10 | SE 9 | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | SSE 6 | S 6 | — |
| kJ | — | — | — | 268 | 554 | 108 | — | — | 32 | — | 16 | 17 | 16 | 11 | 16 | 14 | 14 | 50 | 52 | 52 | 51 | 4 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 7 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | S 7 | S 6 | S 6 | S 6 | — | — |
| kJ | — | — | — | 66 | 287 | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 3 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | — | NNE 4 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | NW 4 | — | — | — | SW 6 | SW 6 | SSW 5 |
| kJ | 276 | 307 | — | 18 | 1755 | 1380 | 1124 | 1693 | 2111 | 2504 | 2126 | 1431 | 1023 | 369 | 286 | 171 | 178 | 4 | — | — | — | 29 | 26 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 103 | 103 | 13 | 103 | 6 | 351 | 351 | 351 | 334 | 103 | 178 | 397 | 104 | 104 | 2 | 2 | 2 | 13 | 13 | 148 | 437 | 827 | 658 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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