# Green Island snorkeling forecast Green Island looks marginal today. The least-bad daylight window is around Sun 16:00, but waves is limiting the forecast. - Location: Green Island, Australia - Timezone: Australia/Brisbane - Valid period: next 72 hours from 2026-09-27T00:22:07.929761+10:00 - Verdict: Marginal - Score: 2.6/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-09-27T00:06:59.190492+10:00 - Conditions can change. HTML page: https://snorkelforecast.com/australia/green-island/ - Forecast JSON: https://snorkelforecast.com/australia/green-island/forecast.json - Sea temperature: https://snorkelforecast.com/australia/green-island/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/australia/green-island/sea-temperature.md - History JSON: https://snorkelforecast.com/australia/green-island/history.json - Embed widget: https://snorkelforecast.com/australia/green-island/embed/sea-temperature/ - Current sea temperature: 23.8 °C (74.8 °F) - Baseline normal for month 9: 24.6 °C (76.3 °F) from 3 sample years - Sea temperature versus month 9 normal: -0.8 °C (-1.4 °F), cooler than the stored baseline - Scoring thresholds: waves <= 0.36 m, wind <= 5.4 m/s, current <= 0.36 m/s, water 20.6-30.4 °C. Forecast thresholds, not official safety limits. ## Next 24 hours | time | rating | score | ok | waves_m | wind_mps | sst_c | | --- | --- | --- | --- | --- | --- | --- | | 2026-09-27T01:00:00+10:00 | poor | 0.0 | no | 1.14 | 10.43 | 23.8 | | 2026-09-27T02:00:00+10:00 | poor | 0.0 | no | 1.14 | 11.92 | 23.8 | | 2026-09-27T03:00:00+10:00 | poor | 0.0 | no | 1.14 | 11.29 | 23.8 | | 2026-09-27T04:00:00+10:00 | poor | 0.0 | no | 1.14 | 11.34 | 23.8 | | 2026-09-27T05:00:00+10:00 | poor | 0.0 | no | 1.16 | 11.59 | 23.8 | | 2026-09-27T06:00:00+10:00 | poor | 0.0 | no | 1.16 | 11.56 | 23.8 | | 2026-09-27T07:00:00+10:00 | poor | 0.0 | no | 1.18 | 11.73 | 23.8 | | 2026-09-27T08:00:00+10:00 | poor | 0.0 | no | 1.22 | 11.32 | 23.8 | | 2026-09-27T09:00:00+10:00 | poor | 0.0 | no | 1.26 | 12.04 | 23.8 | | 2026-09-27T10:00:00+10:00 | poor | 0.22029999999999997 | no | 1.3 | 11.93 | 23.8 | | 2026-09-27T11:00:00+10:00 | poor | 0.2455 | no | 1.32 | 12.21 | 23.8 | | 2026-09-27T12:00:00+10:00 | poor | 0.24189999999999998 | no | 1.34 | 11.72 | 23.9 | | 2026-09-27T13:00:00+10:00 | poor | 0.20229999999999998 | no | 1.36 | 11.79 | 23.9 | | 2026-09-27T14:00:00+10:00 | poor | 0.2299 | no | 1.36 | 11.62 | 23.9 | | 2026-09-27T15:00:00+10:00 | poor | 0.2551 | no | 1.38 | 11.41 | 23.9 | | 2026-09-27T16:00:00+10:00 | poor | 0.26349999999999996 | no | 1.38 | 11.19 | 23.9 | | 2026-09-27T17:00:00+10:00 | poor | 0.2563 | no | 1.34 | 11.07 | 23.9 | | 2026-09-27T18:00:00+10:00 | poor | 0.2299 | no | 1.3 | 11.06 | 23.9 | | 2026-09-27T19:00:00+10:00 | poor | 0.0 | no | 1.26 | 10.88 | 23.9 | | 2026-09-27T20:00:00+10:00 | poor | 0.0 | no | 1.24 | 11.17 | 23.9 | | 2026-09-27T21:00:00+10:00 | poor | 0.0 | no | 1.2 | 11.48 | 23.9 | | 2026-09-27T22:00:00+10:00 | poor | 0.0 | no | 1.18 | 11.62 | 23.9 | | 2026-09-27T23:00:00+10:00 | poor | 0.0 | no | 1.16 | 11.34 | 23.9 | | 2026-09-28T00:00:00+10:00 | poor | 0.0 | no | 1.14 | 11.31 | 23.9 | ## Nearby spots - [Agincourt Reef](https://snorkelforecast.com/australia/agincourt-reef/index.md) - [Arlington Reef](https://snorkelforecast.com/australia/arlington-reef/index.md) - [Byron Bay](https://snorkelforecast.com/australia/byron-bay/index.md) - [Cairns](https://snorkelforecast.com/australia/cairns/index.md)