Dongara-Port Denison Surf Break

Lat Long: 29.27° S 114.91° E

Dongara-Port Denison Surf Forecast and Surf Report

Issued: 1 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dongara-Port Denison sea temperature is
19.1°C
0.8° 

Dongara-Port Denison surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Dongara-Port Denison surf forecast from 24 Aug 2026:

  • Best quality surf: Sunday 30 Aug, 2AM (local time) - 8ft (2.5m), 18s period, SW swell with offshore winds.
  • Most powerful swell: Thursday 27 Aug, 5AM (local time) - 15ft (4.5m), 16s period, SW swell with 10,178 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 5AM (local time) - 5.5ft (1.7m), 13s period with SW swell.

Best Forecast Surf Conditions for Dongara-Port Denison this week:

The surf forecast for Dongara-Port Denison over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 5AM. The primary swell is predicted to be 1.7m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dongara-Port Denison in the next 16 days are 4.5m 16s and forecast to arrive on Thursday (Aug 27) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 25th Aug)5.5ft (1.7m) 13s
Best Surf 2AM (Sun 30th Aug)8ft (2.5m) 18s
Most Powerful 5AM (Thu 27th Aug)15ft (4.5m) 16s

Table - best surf conditions forecast for Dongara-Port Denison over the next 16 days.


The Lowdown

G’day, Rusty here. Let’s have a look at what’s coming up for Dongara-Port Denison.

The next 16 days are a mixed bag, and honestly, the opening stretch is a tough watch. There’s nothing worth paddling out for through Tuesday the 25th or Wednesday the 26th. The wind is all over the place, mostly cross-onshore or cross, and the surf quality gets a big thumbs down. On the 26th, the swell jumps to 8.2ft and then 11.5ft from the WSW with a 16-18 second period, but a strong NW then WNW wind keeps it choppy and messy – that’s more of a kite day than a surf day.

Thursday the 27th is still ugly. The swell hits 13.1ft from the SW with a 16-second period, and combined energy is very strong at 7137, but fresh cross-shore winds up to 18.6 mph and rain showers make it lumpy and borderline dangerous for anything but the most experienced. The same goes into Friday the 28th – swell dropping to 7.5ft, but still cross-shore wind and a cross-chop.

Now, things start to turn around from Saturday the 29th. That morning, the wind swings around to a light cross-offshore from the SE at 9.3 mph, and the surf cleans right up. Swell is 3.0ft from the WSW with a very long 20-second period – that’s proper groundswell. Combined energy is moderate at 1812. This is a standout for experienced surfers, but remember, that long period will make it break straight on the beach, so for a reef break like Dongara-Port Denison, it should line up nicely. The water temp is 66.4°, which is about normal for this time of year, with a slight anomaly of -1.4°, nothing to worry about.

Sunday the 30th morning is another cracker. Light ESE breeze at 6.2 mph, cross-offshore, 7.9ft from the SW with a 17-second period, and combined energy is strong at 3459. Clean conditions and good power – this is the best on offer across the whole outlook. Crowds are sometimes a thing here, so keep that in mind.

Monday the 31st fades a bit – wind turns cross-onshore again, swell around 6.6ft, still some energy but messy. Then Tuesday September 1st morning is a real gem: glassy conditions, SSE wind at just 3.1 mph, cross-offshore, 6.6ft from the SW with a 16-second period, combined energy 1933. Clean as a whistle – another top session for those who can get out.

The second week gets patchier. Wednesday September 2nd through Thursday September 3rd morning has some promise. On the 3rd, early light ESE offshore wind at 6.2 mph, 4.3ft from the SW with 13-second period – not huge but clean. The afternoon gets chopped up again.

Friday September 4th and Saturday September 5th show some size – 8.2ft and 11.5ft from the SW – but the wind is onshore or cross, and the quality is marginal. The 5th morning has light wind and rain showers, combined energy at 5953, but it’s cross-shore with ripples, so it’s not polished.

From Sunday September 6th onward, it gets pretty average. Strong onshore winds, some 21.7 mph gusts, and marginal or poor conditions right through to the end of the forecast window on September 9th. There’s a glimpse of hope on Tuesday September 8th morning with a clean offshore wind from the ESE at 15.5 mph, 5.9ft from the SW, 13-second period – but that’s a fair way out, so pin it as promising but not locked in.

Bottom line: hit Saturday the 30th or Tuesday September 1st for the best windows. The reef handles the long-period groundswell well, and the mornings are glassy. The rest of the run is either too windy, too lumpy, or just average. If the crowds are there, get in early. This is a spot that can turn it on when the stars align.

Short Range Forecast

Heavy rain (total 30mm), heaviest during Wed night. Very mild (max 19°C on Wed afternoon, min 13°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the SSW by Thu afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Sun afternoon, min 12°C on Sat morning). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
4
2
0
0
5
4
4
1
1
3
4
1
5
5
2
4
1
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SW
12
1.6
SW
15
1.8
SW
14
2.5
SW
16
3.5
WSW
18
3.5
SW
17
4
SW
16
3.5
SW
15
3
SW
14
2.3
SW
13
2.1
SW
13
1.7
SSW
12
0.9
SW
20
1.3
SW
19
2.5
SW
18
2.4
SW
17
2.3
SW
16
2.1
SW
16
2
SW
16
2
SW
17
2
SW
16
Wave Graph
Metric surfscale
Energy kJ
736
1048
1215
3412
7301
7199
7137
6324
3261
1777
1494
864
670
1185
4114
3439
2676
2214
2058
2320
2033
Wind (km/h)
10
NNW
15
W
10
NNE
20
NW
25
NW
30
SSW
30
SSW
30
S
20
SSE
25
S
25
S
20
SE
15
SE
20
SSW
15
ESE
10
ESE
20
SSW
10
SE
15
SSW
25
SSW
10
SE
Wind State
cross-on
on
cross-off
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross-off
cross-off
cross-on
off
cross-off
cross
cross-off
cross-on
cross
cross-off
High Tide
7:56AM0.63m
8:36AM0.63m
00:06AM0.38m
9:13AM0.61m
11:50PM0.41m
9:51AM0.57m
11:51PM0.45m
10:30AM0.51m
11:57PM0.49m
11:11AM0.44m
00:07AM0.54m
Low Tide
4:23PM0.08m
4:36PM0.09m
4:45PM0.11m
2:16AM0.37m
4:53PM0.13m
3:34AM0.35m
5:00PM0.17m
4:34AM0.32m
5:06PM0.20m
5:32AM0.29m
5:11PM0.24m
clear
clear
clear
clear
clear
heavy rain
rain showers
thunderstorm
rain showers
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
6:41
6:39
6:39
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:01
6:02
6:02
6:04
6:04
 mm
24
3
2
1
Temp °C
17
18
17
17
19
15
16
16
15
16
17
16
16
19
19
19
22
18
19
19
18
Feels °C
16
16
15
13
14
10
10
10
10
11
12
12
13
15
15
17
20
16
17
16
15
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Dongara-Port Denison Surf forecast

The above surf forecast table for Dongara-Port Denison provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dongara-Port Denison can be found by selecting the local surf guide option on the grey menu. Our Dongara-Port Denison surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Dongara-Port Denison) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Dongara-Port Denison may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in North West WA? If you are looking for accommodation near Dongara-Port Denison, camping, hotels and holiday cottages in North West WA, consider staying in Geraldton which is 62 km (39 miles) away.

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