Surf Forecasts:
How big are the waves at Katahama today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 2ft (0.6m), 14s period with E swell.
- Evening surf: Evening surf (15 Sep, local time) - 2.5ft (0.8m), 8s period with ESE swell.
The current surf forecast for Katahama at 3PM is: 0.6m 14s primary swell from a East direction and 1.0m 6s secondary swell from a South direction, 0.8m 9s secondary swell from a East-southeast direction (forecast issued at 08:00am September 15). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3.5ft (1.1m) | 9s |
| Afternoon (15 Sep) | 2ft (0.6m) | 14s |
| Evening (15 Sep) | 2.5ft (0.8m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 65mm), heaviest during Wed night. Warm (max 25°C on Tue morning, min 20°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||
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) | SE 9 | SE 9 | ESE 9 | E 14 | ESE 9 | ESE 8 | ESE 8 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 6 | E 12 | E 7 | E 7 | E 12 | E 12 | SSE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 179 | 202 | 101 | 131 | 86 | 86 | 86 | 92 | 92 | 84 | 84 | 83 | 82 | 75 | 75 | 71 | 128 | 188 | 25 | 25 | 8 | 3 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:20AM1.64m | 7:07PM1.78m | 8:05AM1.54m | 7:37PM1.73m | 8:59AM1.43m | 8:10PM1.64m | ||||||||||||||||
Low Tide | 1:05PM0.75m | 1:47AM0.42m | 1:36PM0.87m | 2:33AM0.47m | 2:10PM1.01m | |||||||||||||||||
 | |  | |  | |  | | |  | | |  |  |  |  | |  |  |  |  |  | |
 | 5:28 | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 3 | 3 | 2 | 1 | 1 | 2 | — | — | 1 | 6 | 1 | 6 | 6 | 11 | 23 | 1 | 1 | — | — | — | — | — |
Temp °C | 23 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 21 |
Feels °C | 26 | 26 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 23 | 22 | 24 | 22 | 22 | 22 | 20 | 21 | 21 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | S 6 | S 6 | SSE 7 | S 6 | S 6 | ESE 8 | ESE 8 | SE 8 | ESE 8 | ESE 8 | E 13 | E 12 | SE 8 | SSE 8 | E 12 | E 12 | E 12 | E 12 | SSE 9 | SE 9 |
| kJ | 179 | 202 | 58 | 79 | 59 | 61 | 61 | 92 | 92 | 67 | 44 | 42 | 82 | 75 | 33 | 43 | 44 | 44 | 25 | 25 | 8 | 3 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | S 6 | S 6 | S 6 | E 13 | E 13 | SSW 6 | SE 8 | E 12 | E 12 | E 16 | S 9 | S 9 | SE 9 | — | — |
| kJ | 88 | 53 | 101 | 94 | 86 | 86 | 86 | 47 | 34 | 25 | 84 | 83 | 10 | 33 | 71 | 71 | 5 | 2 | 2 | 3 | — | — |
Swell 3 Height (m) Direction Period (s) | SW 6 | E 16 | E 13 | E 14 | SSW 6 | E 14 | E 14 | E 13 | E 13 | E 13 | S 6 | SSW 5 | — | SSW 5 | SSW 5 | E 16 | — | — | S 7 | — | — | — |
| kJ | 2 | 43 | 85 | 131 | 40 | 64 | 63 | 84 | 84 | 84 | 16 | 6 | — | 4 | 4 | 5 | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 4 | E 4 | E 5 | E 5 | ESE 5 | ESE 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | — | — | — | — | — | — | — | — | 7 | 15 | 37 | 42 | 64 | 69 | 75 | 67 | 128 | 188 | 295 | 368 | 431 | 392 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 13 | 13 | 2 | 94 | 13 | 2 | 13 | 13 | 150 | 150 | 94 | 13 | 13 | 13 | 13 | 747 | 415 | 369 | 351 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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