Surf Forecasts:
How big are the waves at Katahama today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.
- Evening surf: Evening surf (16 Sep, local time) - 1.5ft (0.5m), 12s period with E swell.
The current surf forecast for Katahama at 4PM is: 0.5m 13s primary swell from a East direction and 0.7m 8s secondary swell from a Southeast direction, 0.5m 4s secondary swell from a East direction (forecast issued at 08:00am September 16). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 1.5ft (0.5m) | 13s |
| Afternoon (16 Sep) | 1.5ft (0.5m) | 13s |
| Evening (16 Sep) | 1.5ft (0.5m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Wed morning. Warm (max 25°C on Fri morning, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||
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 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 7 | E 7 | E 7 | E 7 | E 6 | S 9 | SSE 9 | SE 9 | S 13 | SE 12 | SE 12 | SSE 12 | SE 17 | SE 15 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 84 | 84 | 84 | 83 | 82 | 74 | 71 | 51 | 94 | 159 | 178 | 212 | 268 | 1 | 8 | 3 | 3 | 6 | 6 | 14 | 102 | 330 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 8:05AM1.54m | 7:37PM1.73m | 8:59AM1.43m | 8:10PM1.64m | 10:22AM1.32m | 8:46PM1.52m | ||||||||||||||||
Low Tide | 1:36PM0.87m | 2:33AM0.47m | 2:10PM1.01m | 3:29AM0.55m | 2:53PM1.15m | |||||||||||||||||
 |  |  |  |  | |  | |  |  | | |  | | | | | | | | |  | |
 | 5:30 | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | 7 | 16 | 4 | 5 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 22 | 25 | 25 | 24 | 24 |
Feels °C | 25 | 26 | 27 | 25 | 25 | 23 | 22 | 22 | 22 | 22 | 24 | 23 | 21 | 19 | 20 | 19 | 19 | 19 | 22 | 22 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 8 | ESE 8 | E 13 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 12 | E 12 | E 12 | E 12 | SE 9 | S 9 | SE 9 | SE 9 | S 9 | SE 9 | SE 12 | SSE 12 | SE 17 | SE 15 |
| kJ | 77 | 82 | 84 | 64 | 53 | 61 | 61 | 51 | 44 | 44 | 44 | 24 | 3 | 1 | 3 | 3 | 2 | 3 | 6 | 13 | 102 | 330 |
Swell 2 Height (m) Direction Period (s) | S 6 | E 13 | SSW 6 | E 13 | E 13 | E 12 | E 12 | E 12 | E 16 | S 9 | SE 9 | S 9 | — | — | SSE 9 | SE 9 | S 13 | SE 12 | — | SE 19 | SSE 11 | S 10 |
| kJ | 26 | 84 | 11 | 83 | 82 | 74 | 71 | 45 | 5 | 2 | 3 | 2 | — | — | 8 | 3 | 3 | 6 | — | 14 | 12 | 2 |
Swell 3 Height (m) Direction Period (s) | E 13 | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | E 16 | — | — | E 15 | S 7 | — | — | — | — | — | — | — | S 11 | S 11 | — |
| kJ | 84 | 18 | 10 | 10 | 6 | 2 | 2 | 5 | — | — | 4 | 1 | — | — | — | — | — | — | — | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 8 | E 4 | E 4 | E 4 | E 5 | E 6 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 | E 9 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 8 |
| kJ | — | — | 76 | 7 | 7 | 10 | 24 | 34 | 94 | 159 | 178 | 212 | 268 | 353 | 358 | 381 | 460 | 452 | 413 | 509 | 562 | 450 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 334 | 334 | 334 | 334 | 351 | 94 | 94 | 334 | 334 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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