Surf Forecasts:
How big are the waves at Charleston today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 10ft (3.0m), 14s period with W swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 10ft (3.0m), 14s period with W swell.
- Evening surf: Evening surf (25 Aug, local time) - 10ft (3.0m), 14s period with WSW swell.
The current surf forecast for Charleston at 1PM is: 3.0m 14s primary swell from a West direction and 1.2m 14s secondary swell from a West-southwest direction (forecast issued at 05:00am August 25). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 10ft (3.0m) | 14s |
| Afternoon (25 Aug) | 10ft (3.0m) | 14s |
| Evening (25 Aug) | 10ft (3.0m) | 14s |
Table - waves today at Charleston. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 77mm), heaviest during Thu night. Very mild (max 14°C on Wed morning, min 12°C on Tue night). Winds increasing (calm on Wed night, strong winds from the NNE by Thu night). | |||||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||||||||
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) | W 15 | W 15 | W 14 | W 14 | W 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | WSW 12 | WSW 12 | WNW 9 | WNW 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3966 | 4121 | 4009 | 3657 | 3376 | 3322 | 3372 | 3247 | 3076 | 2786 | 2742 | 2774 | 2723 | 2641 | 2601 | 2571 | 1976 | 1654 | 1415 | 557 | 339 | 426 | 632 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | glassy | cross-off | cross-off | cross | cross-off | cross | cross | cross |
High Tide | 8:46AM2.33m | 9:05PM2.47m | 9:27AM2.47m | 9:44PM2.62m | 10:05AM2.61m | ||||||||||||||||||
Low Tide | 2:35AM0.72m | 2:53PM0.68m | 3:18AM0.55m | 3:33PM0.52m | 3:57AM0.39m | 4:10PM0.38m | |||||||||||||||||
 |  |  | |  | | | | | | | | |  |  | | | | | | |  |  | |
 | — | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — |
mm | 1 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 9 | 10 | 5 | 2 | 4 | 1 | 1 | — | — |
Temp °C | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 7 | 7 | 8 | 8 | 8 | 10 | 11 | 11 | 10 | 11 | 11 | 12 | 10 | 11 | 13 | 14 | 13 | 11 | 8 | 9 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | W 15 | W 15 | WSW 14 | W 14 | W 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 14 | WSW 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | WNW 8 | WNW 8 | WNW 9 | WNW 9 |
| kJ | 3966 | 1108 | 834 | 3657 | 3376 | 3322 | 3372 | 3247 | 3076 | 2786 | 2742 | 627 | 2723 | 2641 | 2601 | 2571 | 1976 | 1654 | 1415 | 270 | 306 | 426 | 632 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WSW 14 | WSW 14 | WSW 14 | WSW 14 | — | — | — | — | W 18 | — | — | W 20 | W 20 | WSW 17 | W 18 | W 17 | WSW 12 | WSW 12 | WSW 12 | WSW 14 |
| kJ | — | — | — | 613 | 596 | 711 | 701 | — | — | — | — | 6 | — | — | 30 | 7 | 100 | 158 | 207 | 557 | 339 | 245 | 443 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 20 | W 20 | WSW 17 | WSW 18 | WSW 17 | W 16 | WSW 16 | WSW 16 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 30 | 7 | 99 | 102 | 96 | 134 | 201 | 250 | — |
Wind waves Height (m) Direction Period (s) | W 15 | W 15 | W 14 | — | — | — | — | — | — | — | — | W 13 | WNW 7 | WNW 8 | — | — | — | — | — | N 5 | N 7 | N 7 | NNE 7 |
| kJ | 2864 | 4121 | 4009 | — | — | — | — | — | — | — | — | 2774 | 469 | 509 | — | — | — | — | — | 95 | 328 | 482 | 579 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 184 | 184 | 187 | 184 | 184 | 184 | 179 | 179 | 76 | 179 | 179 | 180 | 166 | 166 | 158 | 0 | 0 | 15 | 51 | 24 | 68 | 68 | 76 |
Best forecast wave conditions in West Coast South Island | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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