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Pennington Bay Surf Forecast
/ SA – Kangaroo Island (8 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Pennington Bay surfForecast / SA – Kangaroo Island / Australia
48hr Weather and Surf, issued 8 am Monday 18 May 2026 ACSTForecast update in hr min s Forecast update imminent
Pennington Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pennington Bay sea temperature is
17.3° C
(Which is slightly warmer than usual)How big are the waves at Pennington Bay today?
The current surf forecast for Pennington Bay at 4PM is: 1.0m 12s primary swell from a South-southwest direction and 0.2m 21s secondary swell from a South direction, 0.6m 3s secondary swell from a West direction (forecast issued at 08:30am May 18). The wind direction is predicted to be cross-onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4ft (1.2m) | 13s |
| Afternoon (18 May) | 3.5ft (1.0m) | 12s |
| Evening (18 May) | 3ft (0.9m) | 12s |
Table - waves today at Pennington Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Wed morning, min 14°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 13 | S 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 18 | SSW 11 | S 17 | S 16 | S 16 | S 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | |
507 | 461 | 379 | 313 | 308 | 240 | 187 | 192 | 469 | 429 | 431 | 387 | 380 | 356 | 303 | 293 | 355 | 334 | 417 | 501 | 509 | 978 | 953 | 880 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | on | cross-on | cross | cross | |
High Tide | 5:02AM0.79m | 4:45PM1.62m | 5:30AM0.73m | 5:19PM1.63m | 5:52AM0.68m | 5:53PM1.59m | ||||||||||||||||||
Low Tide | 9:36AM0.52m | 00:06AM0.36m | 9:54AM0.49m | 00:46AM0.42m | 10:14AM0.48m | 1:25AM0.49m | ||||||||||||||||||
 |  |  | |  | | | |  |  | | | | | | | | | | | | | | | |
 | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | 7:11 |
 | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 | — | — | — | 5:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 14 | 15 | 15 | 18 | 17 | 17 | 16 | 16 | 16 |
14 | 13 | 15 | 13 | 12 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 13 | 12 | 13 | 13 | 15 | 14 | 15 | 15 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 20 | SSW 19 | S 18 | S 18 | S 18 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 16 | SSW 15 | SSW 15 |
 kJ | 507 | 461 | 379 | 313 | 308 | 240 | 187 | 187 | 119 | 124 | 162 | 227 | 230 | 356 | 303 | 292 | 227 | 227 | 343 | 283 | 288 | 978 | 953 | 880 |
Swell 2 Height (m) Direction Period (s) | S 24 | S 23 | S 21 | S 21 | S 21 | S 21 | SSW 20 | S 19 | — | — | — | — | — | S 18 | S 18 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | SSW 16 | — | — |
| kJ | 11 | 11 | 36 | 36 | 36 | 36 | 127 | 192 | — | — | — | — | — | 230 | 300 | 293 | 355 | 334 | 417 | 501 | 509 | 554 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 3 | WSW 3 | WSW 5 | SW 6 | SW 7 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | 4 | 14 | 47 | 73 | 469 | 429 | 431 | 387 | 380 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 54 | 54 | 59 | 445 | 84 | 54 | 84 | 57 | 84 | 445 | 445 | 445 | 57 | 57 | 57 | 54 | 54 | 89 | 211 | 118 | 57 | 54 | 54 | 54 |
Best forecast wave conditions in Kangaroo Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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