Shelly Beach (Cabbage Tree Bay), Manly is a dive site in New South Wales, Australia. Typically most favorable Aug · from 3 years of archive data. Recent reports put the water around 18°C (65°F). Check the latest conditions and entry details before you go.
Tap a factor for its source and model point · Forecast 18°C · seasonal avg 19°C
Dive windows this week
Best: FriFavorable windowModerate window— no window
First light 5:32 · Sunrise 5:57 · Sunset 17:44
Source: Open-Meteo marine · model point 1.0 km from site · graded 18h ago
Forecast only — always assess conditions on site.
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
What conditions have historically been typical at this site, month by month — not a forecast.
August hastypically 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.
Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.
Orectolobus maculatus recorded here Oct–Apr, Jul–Aug (21 records)
most recent 2019
Ascarosepion apama recorded here Dec–Apr (13 records)
most recent 2019
Achoerodus viridis recorded here Jan–Feb, Apr, Sep–Oct (12 records)
most recent 2017
Heterodontus portusjacksoni recorded here Jan–Feb, Apr, Jul–Oct (11 records)
most recent 2017
Carcharhinus obscurus recorded here Mar–Apr (8 records)
most recent 2019
Ophthalmolepis lineolata recorded here Feb, Apr–May, Aug–Sep (8 records)
most recent 2017
Trygonoptera testacea recorded here Nov–Apr, Sep (8 records)
most recent 2017
Enoplosus armatus recorded here Feb–Apr, Aug, Dec (7 records)
most recent 2017
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.
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
No description for this site yet — divers who know it can suggest one below.
No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.
No reviews yet — this site is waiting for its first. Dived here? Your rating and a few lines help the next diver.
Dive sites similar to Shelly Beach (Cabbage Tree Bay), Manly based on location, difficulty, and access type.
Looking for more? Open the map to explore all dive sites in this area.
Spot something off?
Help keep this listing accurate for the next diver.