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Ammunition Jetty

Western Australia, AustraliaDirections
5mm wetsuit typical

Ammunition Jetty at a glance

Ammunition Jetty is a dive site in Western Australia, Australia. Typically most favorable Mar · from 3 years of archive data. Divers commonly see Opisthoteuthis pluto, Western Moray, and Australian Spiny Lobster. Recent reports put the water around 19°C (66°F). Check the latest conditions and entry details before you go.

No window today· next: tomorrow 6:00–19:00 · favorable

Forecast for this hour · 19:00 · run 18 h ago
1.2 m (3.8 ft)waves — about a meter expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 19°C · seasonal avg 20°C ( · Forecast 66°F · seasonal avg 67°F)

Dive windows this week

Lightest wind: Mon
SunNo window

1.2 m waves · 7 kn wind (3.9 ft waves · 7 kn wind)

Mon6:00–19:00 favorable

1.1 m waves · 5 kn wind (3.4 ft waves · 5 kn wind)

Tue6:00–19:00 favorable

0.7 m waves · 8 kn wind (2.3 ft waves · 8 kn wind)

Wed6:00–15:00 favorable, 15:00–19:00 moderate

0.5 m waves · 8 kn wind (1.6 ft waves · 8 kn wind)

Thu6:00–19:00 favorable

0.5 m waves · 6 kn wind (1.6 ft waves · 6 kn wind)

Fri6:00–19:00 favorable

0.6 m waves · 6 kn wind (1.9 ft waves · 6 kn wind)

Sat6:00–11:00 favorable, 11:00–19:00 moderate

0.9 m waves · 11 kn wind (3.0 ft waves · 11 kn wind)

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wave and wind forecasts. Numbers under each bar are daylight averages.

First light 5:00 · Sunrise 5:26 · Sunset 18:36 · some windows run past sunset

Source: Open-Meteo marine · model point 9.7 km from site · updated 25 Oct, 01:12 GMT+8

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Ammunition Jetty

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 95% of days have historically been favorable, water has typically been 24°C (76°F), waves have typically been 1.1 m (3.5 ft), wind has typically been 13 knots
  2. February, 94% of days have historically been favorable, water has typically been 24°C (76°F), waves have typically been 1.0 m (3.3 ft), wind has typically been 13 knots
  3. March, 98% of days have historically been favorable, water has typically been 23°C (74°F), waves have typically been 0.9 m (3.1 ft), wind has typically been 12 knots, historically most favorable
  4. April, 92% of days have historically been favorable, water has typically been 21°C (71°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 11 knots
  5. May, 91% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 1.1 m (3.5 ft), wind has typically been 10 knots
  6. June, 74% of days have historically been favorable, water has typically been 18°C (65°F), waves have typically been 1.4 m (4.6 ft), wind has typically been 9 knots
  7. July, 57% of days have historically been favorable, water has typically been 17°C (62°F), waves have typically been 1.6 m (5.2 ft), wind has typically been 11 knots
  8. August, 60% of days have historically been favorable, water has typically been 17°C (63°F), waves have typically been 1.5 m (5.0 ft), wind has typically been 11 knots
  9. September, 79% of days have historically been favorable, water has typically been 18°C (64°F), waves have typically been 1.4 m (4.5 ft), wind has typically been 11 knots
  10. October, 87% of days have historically been favorable, water has typically been 20°C (67°F), waves have typically been 1.3 m (4.1 ft), wind has typically been 11 knots
  11. November, 97% of days have historically been favorable, water has typically been 21°C (70°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 12 knots
  12. December, 92% of days have historically been favorable, water has typically been 23°C (74°F), waves have typically been 1.1 m (3.6 ft), wind has typically been 13 knots

March has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site, by month

Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.

  • Australian Spiny Lobster recorded here Dec (1 record)

    Panulirus cygnusmost recent 2016

  • Lunartail Puffer recorded here Apr (1 record)

    Lagocephalus lunarismost recent 2015

  • Opisthoteuthis pluto recorded here Feb (1 record)

    most recent 2019

  • Western Moray recorded here Dec (1 record)

    Gymnothorax woodwardimost recent 2016

Newest record here: 2019. Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.

Fills & rentals nearby

Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.

Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.

Data updated July 2026

Site details

Ammunition Jetty is a dive site in Australia.

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

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