Surf Forecasts:
How big are the waves at Katahama today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 5ft (1.6m), 13s period with ESE swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 5ft (1.5m), 13s period with E swell.
- Evening surf: Evening surf (09 Aug, local time) - 4.5ft (1.4m), 13s period with ESE swell.
The current surf forecast for Katahama at 8AM is: 1.6m 14s primary swell from a East-southeast direction (forecast issued at 02:00am August 09). An open ocean swell of 1.7m 11s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 5ft (1.6m) | 13s |
| Afternoon (09 Aug) | 5ft (1.5m) | 13s |
| Evening (09 Aug) | 4.5ft (1.4m) | 13s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Sun night. Warm (max 29°C on Sun afternoon, min 23°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||||||||||
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) | ESE 13 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | E 13 | ESE 13 | ESE 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 11 | E 12 | E 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 594 | 838 | 780 | 849 | 836 | 799 | 679 | 648 | 593 | 497 | 584 | 584 | 556 | 547 | 529 | 426 | 403 | 396 | 375 | 296 | 290 | 326 | 322 | 259 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-off | glassy | glassy | cross-on | on | cross-on | cross-on | cross | glassy | glassy | cross | cross-on | cross-on | cross-on | on | glassy | cross |
High Tide | 1:39AM1.44m | 4:46PM1.49m | 2:47AM1.48m | 5:12PM1.55m | 3:38AM1.54m | 5:33PM1.60m | ||||||||||||||||||
Low Tide | 9:22AM0.46m | 10:05PM1.19m | 10:08AM0.39m | 10:43PM1.12m | 10:44AM0.34m | |||||||||||||||||||
 | |  | | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:01 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — |
mm | — | — | — | — | — | 1 | — | 1 | 3 | 1 | — | — | 1 | — | — | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 2 | 3 |
Temp °C | 26 | 26 | 25 | 27 | 28 | 29 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 24 |
Feels °C | 31 | 31 | 29 | 32 | 31 | 32 | 30 | 30 | 31 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 30 | 28 | 27 | 26 | 25 | 26 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | SSW 11 | ESE 13 | E 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 11 | E 12 | SSW 10 |
| kJ | 668 | 668 | 638 | 674 | 836 | 799 | 657 | 712 | 724 | 511 | 551 | 651 | 617 | 547 | 529 | 426 | 403 | 396 | 375 | 296 | 290 | 326 | 322 | 227 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | ESE 14 | ESE 14 | ESE 13 | SW 12 | SW 12 | ESE 13 | ESE 13 | E 12 | E 12 | E 12 | E 12 | E 12 | SSW 10 | SW 11 | SSW 10 | SW 11 | SW 11 | SSW 10 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | E 12 |
| kJ | 594 | 838 | 780 | 849 | 463 | 599 | 679 | 648 | 593 | 497 | 584 | 584 | 556 | 265 | 297 | 214 | 220 | 220 | 187 | 240 | 198 | 187 | 218 | 259 |
Swell 3 Height (m) Direction Period (s) | — | SW 13 | SE 12 | SE 12 | S 10 | S 11 | S 11 | S 11 | SSW 11 | SSW 12 | S 11 | SSE 12 | SSE 12 | SW 11 | S 10 | SW 11 | SSW 10 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 |
| kJ | — | 113 | 5 | 5 | 270 | 229 | 229 | 229 | 202 | 349 | 198 | 13 | 13 | 233 | 133 | 237 | 184 | 198 | 165 | 162 | 159 | 159 | 156 | 147 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 85 | 6 | 6 | 2 | 2 | 2 | 13 | 94 | 115 | 65 | 6 | 2 | 2 | 94 | 124 | 103 | 94 | 65 | 2 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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