Surf Forecasts:
How big are the waves at Katahama today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 6.5ft (2.0m), 9s period with S swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 3.5ft (1.0m), 8s period with SE swell.
- Evening surf: Evening surf (08 Sep, local time) - 1ft (0.3m), 10s period with ESE swell.
The current surf forecast for Katahama at 11AM is: 2.0m 9s primary swell from a South direction (forecast issued at 02:00am September 08). An open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 6.5ft (2.0m) | 9s |
| Afternoon (08 Sep) | 3.5ft (1.0m) | 8s |
| Evening (08 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 76mm), heaviest during Wed night. Warm (max 28°C on Tue morning, min 21°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||||||||
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) | S 9 | S 9 | S 9 | S 9 | S 9 | SE 8 | SE 8 | ESE 10 | E 9 | E 9 | ESE 10 | ESE 10 | E 17 | E 17 | E 16 | E 16 | E 16 | E 16 | E 5 | ENE 6 | E 6 | ESE 15 | E 6 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 950 | 865 | 716 | 637 | 649 | 125 | 125 | 20 | 13 | 14 | 32 | 19 | 23 | 22 | 21 | 21 | 21 | 21 | 64 | 67 | 82 | 42 | 102 | 228 |
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 | cross | cross | cross | cross-off | cross-off | cross | cross | cross-on | on | cross | cross | cross | cross | cross | cross | cross |
High Tide | 2:51AM1.44m | 4:35PM1.60m | 3:41AM1.53m | 4:55PM1.64m | 4:20AM1.61m | 5:12PM1.68m | ||||||||||||||||||
Low Tide | 10:00PM1.10m | 9:47AM0.49m | 10:29PM0.99m | 10:23AM0.46m | 10:52PM0.87m | 10:53AM0.46m | ||||||||||||||||||
 |  |  |  |  | | |  | |  | | | | | | | | |  |  |  | | |  | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — |
mm | 3 | 5 | 2 | — | 1 | 2 | 4 | 7 | 7 | 6 | 5 | 3 | 3 | 3 | 4 | 5 | 5 | 10 | 8 | 1 | — | — | — | — |
Temp °C | 24 | 24 | 25 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
Feels °C | 29 | 29 | 30 | 32 | 33 | 32 | 31 | 31 | 29 | 28 | 30 | 30 | 29 | 31 | 31 | 31 | 29 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | SSW 10 | SSW 10 | E 9 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | E 17 | SSW 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 950 | 865 | 716 | 637 | 649 | 587 | 587 | 13 | 13 | 14 | 32 | 19 | 19 | 22 | 955 | 777 | 653 | 559 | 493 | 493 | 392 | 347 | 266 | 228 |
Swell 2 Height (m) Direction Period (s) | E 9 | SE 10 | SW 11 | SW 10 | SW 10 | SE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | E 18 | E 17 | E 17 | SE 12 | E 16 | ESE 9 | ESE 10 | E 16 | ESE 15 | ESE 15 | ESE 15 | ESE 15 | ESE 15 | ESE 15 |
| kJ | 38 | 28 | 57 | 104 | 84 | 125 | 125 | 20 | 10 | 10 | 6 | 6 | 23 | 6 | 21 | 17 | 19 | 20 | 45 | 43 | 43 | 42 | 42 | 47 |
Swell 3 Height (m) Direction Period (s) | — | SE 10 | E 8 | E 8 | E 9 | E 9 | E 9 | E 18 | E 18 | E 18 | E 18 | SE 12 | SE 12 | SE 12 | E 16 | E 16 | E 16 | ESE 11 | ESE 9 | ESE 9 | ESE 10 | ESE 11 | ESE 10 | ESE 11 |
| kJ | — | 27 | 22 | 19 | 24 | 25 | 23 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 21 | 21 | 21 | 12 | 9 | 8 | 22 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | — | — | — | E 4 | E 5 | ENE 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | — | — | — | — | — | — | 904 | 964 | 1293 | 1411 | 1354 | 1207 | 1097 | 1073 | — | — | — | 21 | 64 | 67 | 82 | 124 | 102 | 86 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 65 | 65 | 65 | 65 | 355 | 355 | 382 | 619 | 619 | 355 | 6 | 104 | 94 | 94 | 352 | 13 | 13 | 13 | 13 | 351 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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