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Tides

Tide times at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth)

Friday 28 August 2026 · Australia/Perth

Today's high and low tides at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth)

Today Time Height (m)
Low 1:40 am 0.01
High 9:30 am 0.3
Low 5:00 pm -0.07

Sun, moon and bite times at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) today

Sun
↑ 6:39 am · ↓ 6:03 pm
Moon
↑ 6:15 pm · ↓ 6:33 am
Moon phase
Full · 100%
Sea temp
18.7°C
Swell (max)
2.3 m @ 10 s SW
Best bite
5:30 pm–7:30 pm

See full bite times for Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) →

Sea-level curve · today

Scaled to today's range (datum is global mean sea level).

Swell · next 7 days at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth)

Day Max swell Period Direction
Fri 28 Aug Today 2.3 m 10 s SW
Sat 29 Aug 1.5 m 9 s SW
Sun 30 Aug 1.9 m 12 s SW
Mon 31 Aug 1.9 m 12 s SW
Tue 1 Sep 2.0 m 10 s SW
Wed 2 Sep 2.2 m 11 s SW
Thu 3 Sep 2.1 m 11 s SW

Open-ocean swell at the nearest offshore model cell — expect less of it inside protected water.

Next 14 days at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth)

Tap a day to open the full hourly forecast for Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth).

About Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth)

Dongara and Port Denison are the twin towns at the mouth of the Irwin River, around 360km north of Perth and roughly halfway between Jurien Bay and Geraldton.

Tide character & fortnight outlook

Today's tides at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) sit in the spring band — peak-to-trough range about 0.37 m (moon 100% illuminated).

Across the next 7 days at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth), the average peak-to-trough tide range is about 0.21 m. The biggest swing this week falls on Friday (~0.37 m).

Across the next fortnight, the biggest spring tides at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) peak around Saturday 5 Sep at about 0.64 m, and the smallest neap tides fall around Thursday 3 Sep at about 0.04 m.

What anglers target here

Anglers fishing Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) typically time sessions around the tide for western rock lobster, tailor, australian salmon, australian herring, and skipjack trevally (skippy).

Tide questions, answered

What time is high tide at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) today?
Today's high tide at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) is at 9:30 am.
What time is low tide at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) today?
Today's low tides at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) are at 1:40 am and 5:00 pm.
Is Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) on a spring or neap tide this week?
Today's tides at Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth) sit in the spring band — peak-to-trough range about 0.37 m (moon 100% illuminated).
When is the best tide to fish Dongara / Port Denison (Harbour / Granny's Beach / South Beach / Irwin River Mouth)?
Today's peak bite window runs 5:30 pm–7:30 pm.

Nearby tide spots