Surf Forecasts:
How big are the waves at Katahama today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 10ft (3.0m), 9s period with S swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 10ft (3.0m), 9s period with S swell.
- Evening surf: Evening surf (07 Sep, local time) - 8ft (2.5m), 9s period with S swell.
The current surf forecast for Katahama at 6AM is: 3.0m 10s primary swell from a South-southeast direction and 2.4m 10s secondary swell from a South direction, 1.6m 8s secondary swell from a East direction (forecast issued at 02:00am September 07). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 10ft (3.0m) | 9s |
| Afternoon (07 Sep) | 10ft (3.0m) | 9s |
| Evening (07 Sep) | 8ft (2.5m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 88mm), heaviest during Tue morning. Warm (max 27°C on Wed morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 | 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 8 | S 10 | SSE 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | E 17 | E 17 | E 16 | E 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1238 | 872 | 1354 | 1402 | 1328 | 1288 | 1112 | 1029 | 961 | 861 | 396 | 258 | 235 | 230 | 219 | 167 | 173 | 32 | 20 | 19 | 23 | 22 | 21 | 21 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross | cross | cross-off | cross | cross | glassy | glassy | glassy | cross-on | cross | cross | cross-on | cross |
High Tide | 1:35AM1.37m | 4:12PM1.54m | 2:51AM1.44m | 4:35PM1.60m | 3:41AM1.53m | 4:55PM1.64m | ||||||||||||||||||
Low Tide | 9:15PM1.22m | 8:59AM0.55m | 10:00PM1.10m | 9:47AM0.49m | 10:29PM0.99m | 10:23AM0.46m | ||||||||||||||||||
 | |  |  |  | | |  |  | | | | | |  | | | | |  | | | |  | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:02 | — |
mm | 65 | 56 | 33 | 6 | 3 | 5 | 6 | 4 | 3 | 2 | 1 | 5 | 9 | 7 | 2 | 2 | 3 | 2 | 3 | 3 | 4 | 4 | 3 | 4 |
Temp °C | 22 | 22 | 22 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 18 | 23 | 23 | 26 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 27 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 31 | 29 | 30 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 9 | SSW 10 | S 10 | ESE 10 | ESE 10 | ESE 10 | SSW 9 | E 16 | SSW 9 |
| kJ | 627 | 872 | 1092 | 1402 | 1328 | 1288 | 1112 | 1029 | 961 | 861 | 396 | 375 | 367 | 472 | 587 | 755 | 880 | 1290 | 20 | 19 | 19 | 1834 | 21 | 933 |
Swell 2 Height (m) Direction Period (s) | SW 10 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | SSW 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | ESE 10 | E 18 | E 17 | E 17 | E 17 | — | E 16 |
| kJ | 23 | 526 | 351 | 196 | 130 | 76 | 45 | 30 | 38 | 23 | 287 | 258 | 235 | 230 | 219 | 167 | 173 | 32 | 6 | 6 | 23 | 22 | — | 21 |
Swell 3 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | — | — | — | — | — | — | SE 10 | SW 11 | SW 10 | SW 10 | E 8 | E 9 | E 9 | ESE 10 | E 18 | — | — | — | — | — | E 16 |
| kJ | 30 | 13 | 13 | — | — | — | — | — | — | 28 | 55 | 89 | 84 | 22 | 13 | 13 | 20 | 6 | — | — | — | — | — | 21 |
Wind waves Height (m) Direction Period (s) | E 8 | — | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | S 9 | — | — | — | S 10 | S 9 | SSW 9 | — | SSW 9 | — |
| kJ | 1238 | — | 1354 | — | — | — | — | — | — | — | — | — | — | — | 963 | — | — | — | 1403 | 1500 | 1806 | — | 1377 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 352 | 13 | 85 | 94 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 13 | 2 | 13 | 13 | 2 | 2 | 2 | 352 | 351 | 127 | 103 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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