Experimental prototype — not an official warning system

Manly

Parent public coastal-risk area · Northern Beaches, NSW

← All beachesMOCKAssessed 3 Sept 2026, 9:05 am·Model 0.1.0-dev·COASTAL AREA

The vShark Manly assessment covers the coastal area from Queenscliff through North Steyne and South Steyne to Fairy Bower, Winki Pop and Shelly Beach. Sub-location risk uses a development roll-up where finer live data is incomplete — labelled MOCK inputs remain clearly marked.

Interaction risk
MODERATE37/100

Experimental · uncalibrated

Combined confidence: MODERATE(58%)
Exposure 0.55
Hazard 0.56

Why?

  • Area roll-up of 5 sub-locations (0.5×max + 0.5×mean public index)
  • Highest localised index: Queenscliff (37/100 · MODERATE)
  • Sub-location precision limited where data is MOCK or incomplete
  • Water temperature (~18.0°C) favours great white shark thermal suitability

Manly-area interaction risk is a development roll-up of 5 sub-locations (0.5*max(child publicIndex)+0.5*mean(child publicIndex); conf=min(child); hazard=max(child)). Public index 37/100 — MODERATE. Combined confidence moderate. Sub-location data may be MOCK; this is not an operational warning system. Always follow lifeguard instructions and official NSW shark-safety advice.

Manly area — sub-locations

Development assessments per sub-location. Live data may not support full spatial precision — values are relative and may be MOCK.

LocationTypeRiskConfidence
QueenscliffBEACH SECTORMODERATE37/100MODERATE
North SteyneBEACH SECTORMODERATE37/100MODERATE
Manly — South SteyneBEACH SECTORMODERATE37/100MODERATE
Fairy BowerSURF AREAMODERATE37/100MODERATE
Winki Popunder fairy-bowerSURF BREAKMODERATE37/100MODERATE
Shelly BeachBEACHMODERATE37/100MODERATE
Manly sub-locations map

NSW Beachwatch — recreational water quality

Official pollution forecast and latest lab result from NSW Beachwatch. This is not a vShark score and not a swim clearance. Always follow Beachwatch, flags and lifeguards.

Pollution forecast
UnlikelyLIVE
3 Sept 2026, 6:00 am
Latest lab result
UNAVAILABLE

Sites: Queenscliff Beach, North Steyne Beach, South Steyne Beach, Shelly Beach (Manly)

Water quality © NSW Beachwatch (DCCEEW), CC BY 4.0.

Species contributions (area / development)

Area roll-up stores sub-location indices rather than species breakdown. See individual sub-location assessments in the table above and methodology for the species-weighted model.

Recent detections

  • Great white sharkMOCK
    tagged receiver · 11 Aug 2026, 4:18 pm
  • Great white sharkMOCK
    tagged receiver · 11 Aug 2026, 12:18 pm

Ocean / environmental observations

  • air_temperatureLIVE17.4 °C
  • rainfall_24hLIVE0 mm
  • sstLIVE18.2 °C
  • swell_heightLIVE0.58 m
  • wind_direction_degLIVE330 deg
  • wind_speed_knLIVE8.5 kn

Data gaps

  • sub location live feeds

Missing data reduces confidence; it does not mean low risk.

Recent assessment history

WhenBandIndexConfidenceModel
3 Sept 2026, 9:05 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 9:01 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 8:56 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 7:33 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 7:32 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 7:31 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 7:01 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 6:16 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 6:11 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 6:01 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 5:29 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 4:53 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 4:01 amMODERATE37MODERATE0.1.0-dev
3 Sept 2026, 3:17 amMODERATE37MODERATE0.1.0-dev