# Port Stephens snorkeling forecast Port Stephens looks marginal today. The least-bad daylight window is around Sun 14:00, but waves is limiting the forecast. - Location: Port Stephens, Australia - Timezone: Australia/Brisbane - Valid period: next 72 hours from 2026-09-27T00:19:51.393576+10:00 - Verdict: Marginal - Score: 3.5/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-09-26T23:52:39.350057+10:00 - Conditions can change. HTML page: https://snorkelforecast.com/australia/port-stephens/ - Forecast JSON: https://snorkelforecast.com/australia/port-stephens/forecast.json - Sea temperature: https://snorkelforecast.com/australia/port-stephens/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/australia/port-stephens/sea-temperature.md - History JSON: https://snorkelforecast.com/australia/port-stephens/history.json - Embed widget: https://snorkelforecast.com/australia/port-stephens/embed/sea-temperature/ - Current sea temperature: 20.3 °C (68.5 °F) - Baseline normal for month 9: 18.9 °C (66.0 °F) from 3 sample years - Sea temperature versus month 9 normal: +1.4 °C (+2.5 °F), warmer 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 | 1.02 | 7.24 | 20.3 | | 2026-09-27T02:00:00+10:00 | poor | 0.0 | no | 1.14 | 6.14 | 20.3 | | 2026-09-27T03:00:00+10:00 | poor | 0.0 | no | 1.26 | 6.38 | 20.3 | | 2026-09-27T04:00:00+10:00 | poor | 0.0 | no | 1.38 | 5.29 | 20.3 | | 2026-09-27T05:00:00+10:00 | poor | 0.0 | no | 1.36 | 5.28 | 20.3 | | 2026-09-27T06:00:00+10:00 | poor | 0.0 | no | 1.34 | 4.66 | 20.4 | | 2026-09-27T07:00:00+10:00 | poor | 0.0 | no | 1.32 | 5.1 | 20.4 | | 2026-09-27T08:00:00+10:00 | poor | 0.0 | no | 1.3 | 5.22 | 20.4 | | 2026-09-27T09:00:00+10:00 | poor | 0.0 | no | 1.3 | 5.28 | 20.4 | | 2026-09-27T10:00:00+10:00 | poor | 0.2976537037037036 | no | 1.28 | 4.97 | 20.4 | | 2026-09-27T11:00:00+10:00 | poor | 0.28696296296296286 | no | 1.28 | 5.38 | 20.4 | | 2026-09-27T12:00:00+10:00 | poor | 0.3101018518518518 | no | 1.28 | 4.51 | 20.5 | | 2026-09-27T13:00:00+10:00 | poor | 0.30987037037037035 | no | 1.28 | 4.52 | 20.5 | | 2026-09-27T14:00:00+10:00 | poor | 0.3499703703703703 | no | 1.24 | 3.98 | 20.5 | | 2026-09-27T15:00:00+10:00 | poor | 0.2892685185185184 | no | 1.2 | 5.41 | 20.5 | | 2026-09-27T16:00:00+10:00 | poor | 0.27283333333333326 | no | 1.16 | 6.12 | 20.5 | | 2026-09-27T17:00:00+10:00 | poor | 0.27954629629629624 | no | 1.28 | 5.83 | 20.5 | | 2026-09-27T18:00:00+10:00 | poor | 0.0 | no | 1.4 | 5.43 | 20.5 | | 2026-09-27T19:00:00+10:00 | poor | 0.0 | no | 1.52 | 4.99 | 20.5 | | 2026-09-27T20:00:00+10:00 | poor | 0.0 | no | 1.56 | 4.48 | 20.5 | | 2026-09-27T21:00:00+10:00 | poor | 0.0 | no | 1.58 | 4.22 | 20.4 | | 2026-09-27T22:00:00+10:00 | poor | 0.0 | no | 1.62 | 3.54 | 20.4 | | 2026-09-27T23:00:00+10:00 | poor | 0.0 | no | 1.6 | 3.47 | 20.4 | | 2026-09-28T00:00:00+10:00 | poor | 0.0 | no | 1.6 | 2.8 | 20.4 | ## 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)