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Cape Northumberland Surf Forecast
/ SA – East Coast (28 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Cape Northumberland surfForecast / SA – East Coast / Australia
48hr Weather and Surf, issued 3 am Thursday 02 Apr 2026 ACDTForecast update in hr min s Forecast update imminent
Cape Northumberland surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Northumberland sea temperature is
16.1° C
(Which is normal for this time of year)How big are the waves at Cape Northumberland today?
The current surf forecast for Cape Northumberland at 7AM is: 2.5m 13s primary swell from a West-southwest direction and 0.9m 12s secondary swell from a South-southwest direction (forecast issued at 03:30am April 02). The wind direction is predicted to be cross-shore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Apr) | 7.5ft (2.3m) | 12s |
| Afternoon (02 Apr) | 7ft (2.2m) | 12s |
| Evening (02 Apr) | 5ft (1.6m) | 11s |
Table - waves today at Cape Northumberland. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 02 | Friday 03 | Saturday 04 | ||||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1897 | 1981 | 1990 | 1599 | 1379 | 1083 | 814 | 561 | 769 | 825 | 2802 | 3299 | 3953 | 4338 | 4214 | 3959 | 3638 | 3347 | 3010 | 2537 | 2219 | 2088 | 1572 | 1847 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | cross- on | on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:28AM 0.85 | 1:44PM 0.97 | 1:37AM 0.82 | 2:10PM 1.04 | 1:48AM 0.80 | 2:37PM 1.07 | ||||||||||||||||||
Low Tide / height (m) | 7:25AM 0.35 | 7:59PM 0.37 | 7:36AM 0.27 | 8:26PM 0.39 | 7:51AM 0.21 | 8:51PM 0.43 | ||||||||||||||||||
Thursday 02 | Friday 03 | Saturday 04 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:57 | - | - |
 |  | |  | | | | |  | | | | |  | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 15 | 17 | 18 | 18 | 17 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 15 | 14 | 14 | 14 |
| Feels °C (?) | 15 | 13 | 13 | 13 | 14 | 14 | 15 | 11 | 11 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 9 | 7 | 8 | 9 |
- 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 Cape Northumberland 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.
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