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Posties Surf Forecast
/ SA – East Coast (28 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Posties surfForecast / SA – East Coast / Australia
48hr Weather and Surf, issued 8 pm Tuesday 05 May 2026 ACSTForecast update in hr min s Forecast update imminent
Posties surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Posties sea temperature is
16.8° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Posties today?
The current surf forecast for Posties at 1AM is: 3.0m 14s primary swell from a Southwest direction and 0.5m 22s secondary swell from a Southwest direction (forecast issued at 08:30pm May 05). The wind direction is predicted to be cross-shore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 10ft (3.0m) | 14s |
| Afternoon (06 May) | 13ft (4.0m) | 13s |
| Evening (06 May) | 16ft (5.0m) | 12s |
Table - waves today at Posties. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Wed afternoon. Very mild (max 15°C on Tue night, min 10°C on Wed night). Winds increasing (light winds from the NW on Tue night, strong winds from the SW by Wed night). | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Friday 8 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | |
3853 | 3187 | 3261 | 2630 | 3009 | 3201 | 1519 | 5364 | 6129 | 7662 | 8517 | 9336 | 9692 | 10195 | 12579 | 12064 | 10900 | 9948 | 9818 | 9688 | 9354 | 9339 | 9338 | 8921 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 00:18AM0.72m | 2:46PM1.15m | 00:15AM0.72m | 3:19PM1.12m | ||||||||||||||||||||
Low Tide | 9:02PM0.66m | 6:59AM0.26m | 9:46PM0.70m | 7:19AM0.30m | 7:38AM0.37m | |||||||||||||||||||
 | | | |  |  |  |  | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — |
 | — | — | — | — | — | — | — | 5:14 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:12 |
— | — | — | — | 1 | 1 | — | 2 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | |
Temp °C | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 12 | 11 | 11 | 10 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
12 | 12 | 11 | 10 | 11 | 10 | 7 | 3 | 1 | 1 | -1 | 1 | 2 | 4 | 5 | 4 | 6 | 6 | 7 | 7 | 7 | 9 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 20 | SW 14 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | — | SW 15 | SW 16 | SW 15 | — | — | — | — | — | SW 14 | SSW 14 |
 kJ | 3853 | 3187 | 3261 | 2630 | 3009 | 318 | 1519 | 309 | 306 | 507 | 621 | 808 | 702 | — | 12579 | 12064 | 10900 | — | — | — | — | — | 9338 | 8921 |
Swell 2 Height (m) Direction Period (s) | SSW 23 | SW 22 | SW 22 | SSW 22 | SW 21 | SW 20 | SW 20 | — | — | — | — | — | — | — | SSW 18 | — | — | — | — | — | — | — | — | — |
| kJ | 54 | 119 | 227 | 181 | 117 | 322 | 459 | — | — | — | — | — | — | — | 1561 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 5 | — | SW 14 | WSW 9 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 13 | SW 13 | — | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | — | — |
| kJ | — | — | — | 50 | — | 3201 | 867 | 5364 | 6129 | 7662 | 8517 | 9336 | 9692 | 10195 | 6207 | 5302 | — | 9948 | 9818 | 9688 | 9354 | 9339 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 11 | 20 | 79 | 79 | 79 | 279 | 286 | 545 | 634 | 624 | 624 | 419 | 419 | 419 | 773 | 287 | 770 | 770 | 828 | 828 | 828 | 867 | 419 |
Best forecast wave conditions in South Australia - East Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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