Surf Forecasts:
How big are the waves at Katahama today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 2.5ft (0.8m), 9s period with ESE 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 7AM is: 0.9m 9s primary swell from a Southeast direction and 0.9m 5s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 14). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 2.5ft (0.8m) | 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 75mm), heaviest during Wed night. Warm (max 26°C on Mon night, min 21°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||
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 10 | SE 10 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | E 14 | E 14 | ESE 8 | ESE 8 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 139 | 154 | 166 | 197 | 120 | 101 | 101 | 131 | 142 | 84 | 88 | 92 | 121 | 121 | 121 | 119 | 82 | 74 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 6:39PM1.80m | 7:20AM1.64m | 7:07PM1.78m | 8:05AM1.54m | 7:37PM1.73m | |||||||||||||
Low Tide | 1:08AM0.42m | 1:05PM0.75m | 1:47AM0.42m | 1:36PM0.87m | ||||||||||||||
 |  |  | |  | |  | | | | | | | | | | | | |
 | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | 1 | 3 | 1 | 3 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 4 | 4 | 1 | 3 | 4 | 3 |
Temp °C | 26 | 26 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 24 | 23 | 22 | 23 | 23 | 23 | 22 | 22 |
Feels °C | 30 | 29 | 26 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 24 | 25 | 25 | 26 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | E 12 | SE 9 | SE 9 | SSE 5 | S 6 | S 6 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 13 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 137 | 154 | 101 | 197 | 120 | 45 | 40 | 60 | 90 | 84 | 88 | 92 | 80 | 121 | 46 | 45 | 78 | 64 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 14 | E 14 | SSE 5 | ESE 9 | ESE 9 | ESE 9 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 13 | E 13 | E 13 | E 12 |
| kJ | 139 | 102 | 37 | 138 | 39 | 101 | 101 | 94 | 51 | 48 | 48 | 35 | 26 | 17 | 121 | 119 | 82 | 74 |
Swell 3 Height (m) Direction Period (s) | SW 7 | E 15 | SW 7 | SW 7 | E 13 | E 13 | E 13 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | S 6 | S 6 | SSW 6 | SSW 5 | — |
| kJ | 2 | 38 | 2 | 2 | 88 | 53 | 85 | 131 | 142 | 64 | 63 | 84 | 121 | 17 | 16 | 6 | 9 | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 9 | — | SSE 6 | — | S 7 | — | — | — | — | — | E 4 | ESE 8 | E 4 | E 5 | E 5 | E 4 |
| kJ | — | — | 166 | — | 77 | — | 43 | — | — | — | — | — | 6 | 83 | 19 | 36 | 20 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 6 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 13 | 2 | 2 | 2 | 2 | 13 | 13 | 178 | 13 | 94 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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