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Tides

Tide times at Alcoa Jetty (Kwinana)

Sunday 12 July 2026 · Australia/Perth

Tide now — water falling, 56 m to next low (12:45 am)

Today's high and low tides at Alcoa Jetty (Kwinana)

Today Time Height (m)
High 2:50 pm 0.59
Low 12:45 am -0.22

Sun, moon and bite times at Alcoa Jetty (Kwinana) today

Sun
↑ 7:17 am · ↓ 5:28 pm
Moon
↑ 5:03 am · ↓ 2:50 pm
Moon phase
Waning Crescent · 8%
Sea temp
17.4°C
Swell (max)
1.6 m @ 11 s SW
Best bite
5:00 pm–6:30 pm

See full bite times for Alcoa Jetty (Kwinana) →

Sea-level curve · today

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

Swell · next 7 days at Alcoa Jetty (Kwinana)

Day Max swell Period Direction
Sun 12 Jul Today 1.6 m 11 s SW
Mon 13 Jul 1.8 m 11 s SW
Tue 14 Jul 1.6 m 11 s SW
Wed 15 Jul 1.4 m 11 s SW
Thu 16 Jul 1.3 m 11 s SW
Fri 17 Jul 1.6 m 9 s W
Sat 18 Jul 3.4 m 11 s SW

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

Next 14 days at Alcoa Jetty (Kwinana)

Day 1st High 1st Low Range (m) Open
Sun 12 Jul Today 2:50 pm (0.59 m) 12:45 am (-0.22 m) 0.81
Mon 13 Jul 3:30 pm (0.61 m) 1:45 am (-0.27 m) 0.88
Tue 14 Jul 4:50 pm (0.61 m) 2:30 am (-0.23 m) 0.84
Wed 15 Jul 5:42 pm (0.69 m) 3:06 am (-0.04 m) 0.73
Thu 16 Jul 6:20 pm (0.76 m) 3:42 am (0.16 m) 0.6
Fri 17 Jul 7:06 pm (0.74 m) — 0.0
Sat 18 Jul 8:30 am (0.37 m) 4:30 am (0.29 m) 0.21
Sun 19 Jul 9:30 am (0.23 m) 11:30 am (0.22 m) 0.09
Mon 20 Jul 9:30 am (0.23 m) 2:50 am (0.09 m) 0.14
Tue 21 Jul 10:00 am (0.27 m) 1:00 am (0.04 m) 0.3
Wed 22 Jul — — —
Thu 23 Jul — — —
Fri 24 Jul — — —
Sat 25 Jul — — —

Tap a day to open the full hourly forecast for Alcoa Jetty (Kwinana).

About Alcoa Jetty (Kwinana)

Alcoa Jetty in Kwinana is one of the few spots in Cockburn Sound where you can access genuinely deep water from the shore.

Tide character & fortnight outlook

Today's tides at Alcoa Jetty (Kwinana) sit in the spring band — peak-to-trough range about 0.81 m (moon 8% illuminated).

Across the next 7 days at Alcoa Jetty (Kwinana), the average peak-to-trough tide range is about 0.58 m. The biggest swing this week falls on Monday (~0.88 m).

Across the next fortnight, the biggest spring tides at Alcoa Jetty (Kwinana) peak around Monday 13 Jul at about 0.88 m (around the new moon), and the smallest neap tides fall around Friday 17 Jul at about 0.0 m.

Best tide state to fish Alcoa Jetty (Kwinana)

South-facing position inside Cockburn Sound. Fishes well in most weather thanks to the sound's geography and the jetty extending into deeper protected water. Wind off the land, water like glass — until it isn't. The deep water around the jetty pylons creates substantial current on tide changes; gear up for it. Cockburn Sound water clarity varies with industrial activity and weather; reduces after heavy rain. Bulk-carrier wash is constant during loading periods.

What anglers target here

Anglers fishing Alcoa Jetty (Kwinana) typically time sessions around the tide for pink snapper, mulloway (jewfish), australian herring, tailor, and skipjack trevally (skippy).

Tide questions, answered

What time is high tide at Alcoa Jetty (Kwinana) today?
Today's high tide at Alcoa Jetty (Kwinana) is at 2:50 pm.
What time is low tide at Alcoa Jetty (Kwinana) today?
Today's low tide at Alcoa Jetty (Kwinana) is at 12:45 am.
Is Alcoa Jetty (Kwinana) on a spring or neap tide this week?
Today's tides at Alcoa Jetty (Kwinana) sit in the spring band — peak-to-trough range about 0.81 m (moon 8% illuminated).
When is the best tide to fish Alcoa Jetty (Kwinana)?
South-facing position inside Cockburn Sound. Fishes well in most weather thanks to the sound's geography and the jetty extending into deeper protected water. Wind off the land, water like glass — until it isn't. The deep water around the jetty pylons creates substantial current on tide changes; gear up for it. Cockburn Sound water clarity varies with industrial activity and weather; reduces after heavy rain. Bulk-carrier wash is constant during loading periods. Today's peak bite window runs 5:00 pm–6:30 pm.

Nearby tide spots