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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 Monday 17 Nov 2025 ACDT
How big are the waves at Cape Northumberland today?
The current surf forecast for Cape Northumberland at 5AM is: 3.5m 9s primary swell from a West-southwest direction and 1.1m 15s secondary swell from a Southwest direction (forecast issued at 03:30am November 17). The wind direction is predicted to be onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Nov) | 11ft (3.5m) | 10s |
| Afternoon (17 Nov) | 11ft (3.5m) | 11s |
| Evening (17 Nov) | 8ft (2.5m) | 10s |
Table - waves today at Cape Northumberland. (Swell directed towards the surf break)
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
| 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) (?) | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1499 | 1748 | 2069 | 2000 | 2734 | 2854 | 2930 | 1498 | 2388 | 2843 | 2946 | 2867 | 2504 | 2405 | 1948 | 2136 | 2693 | 2943 | 2813 | 3120 | 3479 | 4169 | 5584 | 6401 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | on | on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 12:17AM 0.92 | 10:57AM 0.74 | 12:36AM 1.02 | 11:23AM 0.72 | 1:01AM 1.10 | 11:47AM 0.70 | ||||||||||||||||||
Low Tide / height (m) | 6:36AM 0.63 | 5:19PM 0.39 | 7:11AM 0.60 | 5:39PM 0.32 | 7:44AM 0.58 | 6:01PM 0.26 | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
| Sunrise | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - |
 | |  | | | | | |  | | | | |  | | |  | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 12 |
| Feels °C (?) | 4 | 4 | 4 | 6 | 7 | 7 | 8 | 7 | 7 | 8 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 5 | 5 | 6 | 6 | 6 | 6 |
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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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