Surf Forecasts:
How big are the waves at Katahama today (28 Sep):
- Afternoon surf: Afternoon surf (28 Sep, local time) - 6ft (1.8m), 6s period with SW swell.
- Evening surf: Evening surf (28 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Katahama at 7PM is: 0.2m 9s primary swell from a East direction (forecast issued at 02:00pm September 28). An open ocean swell of 1.7m 6s is not directed at the surf break, a second open ocean swell of 0.3m 17s is not directed at the surf break, a second open ocean swell of 1.4m 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 (28 Sep) | - | - |
| Afternoon (28 Sep) | 6ft (1.8m) | 6s |
| Evening (28 Sep) | 0.5ft (0.2m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 51mm), heaviest during Thu morning. Warm (max 25°C on Mon afternoon, min 19°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||
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) | SW 6 | SW 6 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | SE 9 | E 10 | E 10 | E 10 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 128 | 240 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 13 | 17 | 17 | 8 | 33 | 60 | 73 | 140 | 141 | 115 | 119 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | cross-off | glassy | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross |
High Tide | 6:04PM1.80m | 6:55AM1.66m | 6:32PM1.80m | 7:36AM1.59m | 7:01PM1.75m | |||||||||||||||
Low Tide | 12:07PM0.70m | 00:36AM0.35m | 12:35PM0.78m | 1:12AM0.34m | 1:05PM0.88m | |||||||||||||||
 |  |  |  | | |  |  | | | | | |  | | | | | | | |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | 10 | 4 | 2 | — | — | — | — | 1 | 2 | 6 | 4 | 3 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 20 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 20 |
Feels °C | 25 | 28 | 24 | 24 | 25 | 24 | 24 | 24 | 21 | 22 | 20 | 20 | 20 | 21 | 21 | 20 | 19 | 20 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | SW 6 | SW 15 | SW 14 | SSW 7 | SW 13 | SW 13 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 |
| kJ | 14 | 6 | 245 | 176 | 395 | 191 | 792 | 947 | 1422 | 1198 | 1044 | 694 | 512 | 493 | 389 | 375 | 374 | 367 | 325 | 282 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 10 | SW 17 | E 9 | E 9 | SW 13 | SSW 7 | SSW 7 | E 10 | SE 9 | ESE 9 | ESE 9 | E 10 | SSE 9 | SSE 9 | SSE 9 | — | — | SSE 12 | E 9 |
| kJ | 3 | 4 | 43 | 6 | 7 | 577 | 132 | 105 | 8 | 13 | 16 | 16 | 7 | 8 | 8 | 8 | — | — | 14 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SW 14 | E 9 | SE 13 | SE 13 | E 10 | E 10 | E 10 | SE 12 | E 10 | E 10 | E 10 | SSE 9 | — | SE 12 | — | — | — | — | SE 12 |
| kJ | 4 | 8 | 6 | 7 | 6 | 7 | 8 | 8 | 6 | 8 | 17 | 17 | 8 | — | 6 | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | WSW 6 | SSW 7 | SSW 7 | — | — | — | — | ENE 10 | E 4 | ENE 4 | ENE 4 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 128 | 240 | 142 | 262 | 243 | — | — | — | — | 19 | 10 | 6 | 5 | 33 | 60 | 73 | 140 | 141 | 115 | 119 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 94 | 2 | 65 | 65 | 2 | 2 | 2 | 2 | 2 | 2 | 13 | 13 | 2 | 13 | 13 | 13 | 13 | 13 | 112 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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