Surf Forecasts:
How big are the waves at Katahama today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 0.5ft (0.2m), 10s period with E swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 0.5ft (0.2m), 9s period with SSE swell.
- Evening surf: Evening surf (29 Sep, local time) - 2ft (0.6m), 5s period with E swell.
The current surf forecast for Katahama at 11AM is: 0.2m 10s primary swell from a East direction (forecast issued at 08:00am September 29). An open ocean swell of 1.7m 13s is not directed at the surf break, a second open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 0.5ft (0.2m) | 10s |
| Afternoon (29 Sep) | 0.5ft (0.2m) | 9s |
| Evening (29 Sep) | 2ft (0.6m) | 5s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Warm (max 28°C on Thu afternoon, min 19°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | SE 9 | E 5 | E 5 | E 6 | E 5 | E 6 | E 7 | E 7 | SSW 10 | SE 12 | S 10 | S 9 | SSE 9 | SSE 9 | SE 9 | SE 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 8 | 8 | 8 | 8 | 13 | 16 | 37 | 39 | 29 | 54 | 123 | 204 | 0 | 6 | 305 | 246 | 260 | 313 | 221 | 129 | 109 | 74 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off |
High Tide | 6:55AM1.66m | 6:32PM1.80m | 7:36AM1.59m | 7:01PM1.75m | 8:25AM1.49m | 7:33PM1.67m | ||||||||||||||||
Low Tide | 12:35PM0.78m | 1:12AM0.34m | 1:05PM0.88m | 1:54AM0.38m | 1:40PM0.99m | |||||||||||||||||
 | | | |  |  | | |  |  | | | |  | | | |  | | |  | | |
 | 5:39 | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | 1 | 2 | 3 | 1 | — | 2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 24 | 26 | 28 | 26 | 22 |
Feels °C | 24 | 23 | 23 | 23 | 22 | 21 | 20 | 18 | 19 | 21 | 20 | 20 | 19 | 19 | 20 | 21 | 23 | 26 | 26 | 25 | 22 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | SE 9 | SE 8 | ESE 8 | ESE 8 |
| kJ | 792 | 947 | 1027 | 1198 | 1289 | 1083 | 908 | 722 | 575 | 486 | 540 | 404 | 342 | 326 | 305 | 246 | 260 | 313 | 221 | 129 | 109 | 74 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSE 9 | WNW 4 | W 4 | E 10 | SSE 9 | SSE 9 | SSE 9 | SE 12 | — | — | SE 12 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 12 | E 12 |
| kJ | 153 | 124 | 96 | 8 | 6 | 3 | 7 | 8 | 8 | 8 | 6 | — | — | 6 | 158 | 142 | 117 | 76 | 60 | 33 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | SE 9 | E 10 | SSE 9 | E 10 | E 9 | — | — | — | — | — | — | — | — | SW 7 | E 12 | E 12 | — | — |
| kJ | 8 | 8 | 8 | 8 | 13 | 7 | 8 | 7 | 7 | — | — | — | — | — | — | — | — | 2 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 10 | ENE 4 | E 5 | E 5 | E 6 | E 5 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | NNE 4 | — | — | WNW 3 | WSW 5 | WSW 5 | W 5 |
| kJ | — | — | — | 19 | 13 | 16 | 37 | 39 | 29 | 54 | 123 | 204 | 287 | 264 | 233 | 8 | — | — | 4 | 77 | 157 | 100 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 2 | 94 | 2 | 13 | 13 | 13 | 13 | 13 | 13 | 103 | 13 | 2 | 2 | 2 | 65 | 65 | 103 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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