Port Denison Surf Break

Lat Long: 29.36° S 114.95° E

Port Denison Surf Forecast and Surf Report

Issued: 7 am 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Port Denison sea temperature is
19.8° C
1.0° 

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


Port Denison surf forecast from 22 Jul 2026:

  • Best quality surf: Thursday 23 Jul, 2AM (local time) - 7ft (2.2m), 15s period, SW swell with offshore winds.
  • Most powerful swell: Monday 27 Jul, 5AM (local time) - 8ft (2.5m), 14s period, SW swell with 2,815 kJ wave energy.
  • Next surfable swell (1★+): Thursday 23 Jul, 2AM (local time) - 7ft (2.2m), 15s period with SW swell.

Best Forecast Surf Conditions for Port Denison this week:

The surf forecast for Port Denison over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 23) at 2AM. The primary swell is predicted to be 2.2m and 15s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Port Denison in the next 16 days are 2.5m 14s and forecast to arrive on Monday (Jul 27) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Thursday (Jul 23) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 23rd Jul)7ft (2.2m) 15s
Best Surf 2AM (Thu 23rd Jul)7ft (2.2m) 15s
Most Powerful 5AM (Mon 27th Jul)8ft (2.5m) 14s

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


The Lowdown

Alright, this is Rusty. Let’s size up what’s coming for Port Denison.

We got a stretch of waves lining up, but you gotta pick your moments. First real opportunity is Wednesday morning, July 22 – a clean 6 ft SW swell at 13 seconds. Wind is offshore from the east at 25 km/h, so the surface will be smooth. Wave energy is moderate, about 961. Water temp is 68°, running about a degree colder than average for this time – you’ll notice it but it’s not a big deal.

Wednesday afternoon holds the same 6 ft, period bumps to 14 seconds, wind turns cross-off from the southeast at 20 km/h. Still clean, but not the top pick.

Thursday morning, July 23, brings a solid 7 ft SW swell at 14 seconds with a fresh offshore east wind at 30 km/h. That’s getting into the big range – not for the beginners. Energy jumps to 1624, moderate to strong.

But the real gem is Thursday afternoon. Swell drops slightly to 6 ft, same direction and period, with a gentle offshore from the ESE at 15 km/h. This is your cleanest, most lined-up window in the first few days.

Friday the 24th sees smaller 4 ft in the morning, but the afternoon cleans up with gentle offshore breeze. Energy is dropping to moderate.

Saturday the 25th is small at 4 ft, but Saturday afternoon goes glassy from the northwest at only 5 km/h. That’s a special, clean little session on a smaller day.

Sunday the 26th – not great. Drops to 3 ft with a cross-on breeze making it choppy. Skip it.

Monday the 27th – now we’re talking. Morning has 8 ft SW swell at 14 seconds, light cross-off wind. That’s expert-size, over 8 ft, and the energy is strong at 2223. Afternoon eases to 8 ft but still a heavy groundswell.

Tuesday the 28th – another clean day. 6 ft in the morning with cross-off wind, and the afternoon goes glassy offshore from the east at 5 km/h. That’s a peach.

Wednesday the 29th – very long period 18-second SW swell, but only 4 ft. That’s a proper groundswell. Works best on a reef or point rather than a beach break – might close out.

Thursday the 30th – 5 ft with 16 seconds and offshore east wind at 5 km/h. Clean and very surfable.

Friday the 31st – this is a standout. Morning has 7 ft of SW swell with 16 seconds and glassy conditions. Energy is strong at 2414. This is for experienced surfers only, but it’ll be powerful, clean, and consistent. Afternoon goes to 8 ft with gentle cross-shore wind.

Saturday August 1 – still solid 7 ft, but the wind gets really gusty in the afternoon at 40 km/h from the SSE. That’s kite-surfing conditions, not paddle.

Sunday August 2 – same swell size, but the wind is a fresh 30 km/h cross-off. Clean but messy. Early morning might be okay.

Monday and Tuesday the following week are clean but the swell sits between 4 ft and 7 ft. Tuesday morning August 4 has 7 ft with offshore wind and a long 18-second period – energy is 2877, strong. Very good for experienced surfers.

Then Wednesday August 5 – look out. Swell is predicted at 13 ft from the WSW, and the energy is massive at 8680. That’s way too big for this break. Same for Thursday the 6th at 10 ft. Only for the elite big-wave crew, and even then the forecast says it’s too big for the spot.

Best bets: Thursday afternoon July 23 for a clean 6 ft, and Friday morning July 31 for a powerful, glassy 7 ft. Second week has size but most of it is either blown out or too big to handle.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri afternoon, min 12°C on Thu morning). Mainly fresh winds.

Days 4-6 Weather Summary

Some drizzle, heaviest during Sun afternoon. Warm (max 20°C on Sat afternoon, min 13°C on Mon night). Wind will be generally light.

Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
4
3
4
3
1
3
2
1
3
3
0
1
2
4
3
4
3
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SW
13
1.7
SW
14
2.2
SW
15
2
SW
14
1.8
SW
14
1.5
SW
14
1.3
SW
13
1.2
SW
13
1
SW
12
1.1
SW
13
1.1
SW
13
1.1
SW
13
0.8
SW
16
0.8
SW
16
2.5
SW
14
2.5
SW
14
2.3
SW
13
2.1
SW
13
1.9
SW
14
1.8
SW
14
1.6
SW
14
Wave Graph
Metric surfscale
Energy kJ
961
1036
2237
1624
1382
837
618
480
286
392
437
382
299
295
2747
2223
1803
1460
1505
1325
898
Wind (km/h)
25
E
20
SE
25
ESE
30
E
15
ESE
25
E
25
ENE
15
ESE
20
ENE
25
NNE
5
NW
10
NNE
15
WNW
20
SSW
20
S
10
SSE
5
S
15
ENE
20
ENE
5
E
20
ENE
Wind State
off
cross-off
off
off
off
off
cross-off
off
off
cross-off
glassy
cross-off
cross-on
cross
cross
cross-off
cross
off
cross-off
off
off
High Tide
4:40AM0.62m
5:18AM0.63m
5:59AM0.64m
6:42AM0.66m
7:24AM0.67m
8:04AM0.68m
Low Tide
3:37PM0.19m
3:38PM0.15m
3:55PM0.12m
4:17PM0.09m
4:41PM0.07m
5:04PM0.06m
5:25PM0.06m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
part cloud
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:09
7:09
7:09
7:07
7:07
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
5:44
5:44
5:45
5:45
 mm
1
Temp °C
15
17
16
14
18
18
15
19
18
16
20
19
18
17
17
16
16
16
15
19
17
Feels °C
10
13
11
8
14
13
9
15
14
10
18
18
15
13
12
14
14
15
10
17
13
  • 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 Port Denison Surf forecast

The above surf forecast table for 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 Port Denison can be found by selecting the local surf guide option on the grey menu. Our 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 (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 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 Port Denison, camping, hotels and holiday cottages in North West WA, consider staying in Geraldton which is 73 km (45 miles) away.

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