Surf Forecasts:
How big are the waves at Katahama today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 3ft (0.9m), 6s period with E swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.3m), 7s period with E swell.
- Evening surf: Evening surf (05 Sep, local time) - 5ft (1.6m), 7s period with E swell.
The current surf forecast for Katahama at 1AM is: 0.4m 9s primary swell from a East direction and 0.4m 6s secondary swell from a East-southeast direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 08:00pm September 04). An open ocean swell of 1.2m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 3ft (0.9m) | 6s |
| Afternoon (05 Sep) | 4.5ft (1.3m) | 7s |
| Evening (05 Sep) | 5ft (1.6m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 98mm), heaviest during Mon morning. Warm (max 26°C on Fri night, min 20°C on Sun afternoon). Winds decreasing (strong winds from the NE on Sun night, calm by Mon afternoon). | ||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | ESE 6 | E 9 | E 9 | SE 9 | SE 9 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 12 | S 8 | S 8 | SE 15 | SSE 10 | S 10 | S 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 16 | 27 | 26 | 39 | 27 | 52 | 94 | 153 | 198 | 225 | 318 | 3 | 12 | 5 | 8 | 30 | 65 | 456 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:34PM1.48m | 2:56PM1.34m | 11:09PM1.37m | 3:44PM1.45m | ||||||||||||||
Low Tide | 3:30PM1.19m | 6:01AM0.65m | 6:23PM1.30m | 7:46AM0.62m | ||||||||||||||
 |  |  |  |  |  | | |  |  | | | | | |  | | | |
 | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — |
mm | — | — | 1 | 16 | 11 | 1 | 1 | — | — | — | — | — | — | — | 3 | 7 | 3 | 3 |
Temp °C | 26 | 26 | 24 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 22 | 20 | 20 | 21 |
Feels °C | 30 | 29 | 24 | 21 | 22 | 23 | 23 | 22 | 21 | 20 | 19 | 19 | 19 | 18 | 16 | 15 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | SSE 10 | S 10 | S 12 |
| kJ | 135 | 274 | 263 | 218 | 179 | 240 | 229 | 220 | 164 | 103 | 83 | 67 | 51 | 30 | 33 | 30 | 65 | 456 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | ESE 6 | ESE 6 | SE 9 | SW 12 | E 9 | E 9 | E 13 | E 13 | S 8 | S 8 | SSW 9 | S 8 | S 8 | SE 15 | SW 10 | S 13 | SSW 10 |
| kJ | 107 | 16 | 13 | 39 | 47 | 14 | 7 | 3 | 3 | 20 | 11 | 16 | 12 | 5 | 8 | 15 | 29 | 10 |
Swell 3 Height (m) Direction Period (s) | ESE 6 | E 9 | E 9 | WNW 4 | SE 9 | SE 9 | E 13 | — | E 13 | E 13 | SE 12 | E 12 | SE 12 | S 8 | E 15 | S 14 | SW 10 | — |
| kJ | 16 | 27 | 26 | 3 | 27 | 12 | 3 | — | 3 | 3 | 6 | 3 | 6 | 5 | 4 | 4 | 16 | — |
Wind waves Height (m) Direction Period (s) | E 3 | ENE 3 | NE 3 | NNE 3 | NE 4 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 7 | ENE 7 |
| kJ | 3 | 4 | 4 | 5 | 13 | 52 | 94 | 153 | 198 | 225 | 318 | 385 | 452 | 662 | 898 | 875 | 649 | 718 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 2 | 2 | 138 | 94 | 94 | 2 | 13 | 103 | 13 | 415 | 351 | 351 | 351 | 351 | 334 | 415 | 415 | 352 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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