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Marion Bay Surf Forecast
/ TAS – East Coast (46 breaks) / Tasmania (59 breaks) /
Surf Forecasts:
Marion Bay surfForecast / TAS – East Coast / Australia
48hr Weather and Surf, issued 3 am Thursday 21 May 2026 AESTForecast update in hr min s Forecast update imminent
Marion Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marion Bay sea temperature is
15.1° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Marion Bay today?
The current surf forecast for Marion Bay at 8AM is: 1.2m 11s primary swell from a East-northeast direction and 0.5m 15s secondary swell from a South direction (forecast issued at 03:00am May 21). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4ft (1.2m) | 11s |
| Afternoon (21 May) | 3.5ft (1.1m) | 11s |
| Evening (21 May) | 3.5ft (1.0m) | 11s |
Table - waves today at Marion Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Fri morning, min 10°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 17 | S 17 | S 16 | S 16 | S 15 | S 14 | SSE 14 | S 14 | NE 6 | ENE 10 | |
387 | 380 | 380 | 303 | 303 | 303 | 297 | 245 | 240 | 231 | 184 | 180 | 180 | 176 | 202 | 270 | 254 | 181 | 165 | 107 | 69 | 59 | 59 | 77 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | glassy | glassy | cross | cross-off | off | off | off | off | glassy | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | |
High Tide | 10:57PM1.19m | 1:07PM0.81m | 11:57PM1.13m | 2:00PM0.82m | 00:58AM1.05m | 2:50PM0.85m | ||||||||||||||||||
Low Tide | 6:21AM-0.02m | 5:47PM0.54m | 7:16AM0.04m | 6:55PM0.53m | 8:07AM0.12m | 8:06PM0.51m | ||||||||||||||||||
 | | |  |  | |  | | | | | | |  |  | | | | | | | | | | |
 | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | — | — | — | — | — | 4:51 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:49 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 10 | 12 | 13 | 12 | 11 | 11 | 10 | 11 | 12 | 15 | 13 | 12 | 12 | 11 | 10 | 10 | 12 | 14 | 15 | 13 | 13 |
6 | 5 | 6 | 8 | 10 | 10 | 9 | 8 | 8 | 7 | 9 | 10 | 13 | 11 | 10 | 10 | 9 | 7 | 7 | 9 | 11 | 11 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 |
 kJ | 387 | 380 | 380 | 303 | 303 | 303 | 297 | 245 | 240 | 231 | 184 | 180 | 180 | 176 | 140 | 140 | 98 | 94 | 68 | 66 | 66 | 48 | 55 | 77 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | SSE 15 | S 14 | S 14 | S 14 | SSE 14 | S 14 | S 14 | S 13 | S 14 | S 14 | S 14 | SSE 15 | S 17 | S 17 | S 16 | S 16 | S 15 | NE 5 | SSE 14 | S 14 | S 13 | S 13 |
| kJ | 18 | 12 | 73 | 150 | 148 | 103 | 67 | 36 | 58 | 32 | 32 | 32 | 35 | 77 | 202 | 270 | 254 | 181 | 165 | 7 | 69 | 59 | 32 | 31 |
Swell 3 Height (m) Direction Period (s) | SSE 16 | SSE 16 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | S 7 | NNE 3 | S 7 | S 8 | — | — | — | — | — | — | — | NE 4 | S 14 | S 8 | — | — | — |
| kJ | 50 | 49 | 13 | 13 | 14 | 9 | 9 | 9 | 2 | 4 | 5 | — | — | — | — | — | — | — | 13 | 107 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | — | — | — | — | — | N 3 | N 3 | — | — | — | N 4 | — | — | NNE 2 | NNE 3 | NE 3 | NE 4 | NNE 4 | NNE 4 | NE 4 | NE 5 | NE 6 | NE 6 |
| kJ | 82 | — | — | — | — | — | 1 | 2 | — | — | — | 1 | — | — | 1 | 3 | 3 | 11 | 32 | 16 | 9 | 47 | 59 | 61 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 21 | 21 | 0 | 0 | 0 | 0 | 21 | 21 | 21 | 0 |
Best forecast wave conditions in East Coast of Tasmania | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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