- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 9 am Saturday 21 Mar 2026 ACDTForecast 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
16.3° C
(Which is normal for this time of year)How big are the waves at Posties today?
The current surf forecast for Posties at 1PM is: 3.0m 15s primary swell from a Southwest direction (forecast issued at 09:30am March 21). The wind direction is predicted to be cross-shore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 8ft (2.4m) | 14s |
| Afternoon (21 Mar) | 10ft (3.0m) | 15s |
| Evening (21 Mar) | 10ft (3.0m) | 15s |
Table - waves today at Posties. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1733 | 2334 | 3609 | 4292 | 4178 | 3916 | 3436 | 2903 | 2534 | 2006 | 1803 | 1561 | 1155 | 1339 | 1247 | 1403 | 1423 | 1120 | 1137 | 1103 | 990 | 1336 | 2796 | 2873 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | glass | glass | glass | on | on | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off |
High Tide / height (m) | 2:41PM 1.01 | 2:29AM 0.77 | 3:09PM 1.04 | 2:29AM 0.72 | 3:38PM 1.04 | 2:22AM 0.71 | ||||||||||||||||||
Low Tide / height (m) | 8:18AM 0.27 | 9:01PM 0.32 | 8:26AM 0.20 | 9:27PM 0.39 | 8:37AM 0.13 | 9:49PM 0.49 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - |
 |  | | | | | | | | | | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 19 | 21 | 20 | 18 | 18 | 17 | 18 | 17 | 19 | 19 | 21 | 20 | 17 | 16 | 16 |
| Feels °C (?) | 14 | 14 | 15 | 13 | 14 | 14 | 15 | 16 | 16 | 20 | 19 | 18 | 17 | 16 | 16 | 16 | 15 | 16 | 15 | 17 | 16 | 14 | 13 | 14 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Posties surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest