# Porto Santo snorkeling forecast Porto Santo has no good model window later today. Check the three-day outlook and official beach advisories. - Location: Porto Santo, Portugal - Timezone: Atlantic/Madeira - Valid period: next 72 hours from 2026-10-17T20:02:43.043893+01:00 - Verdict: Poor - Score: 0.0/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-10-17T19:21:50.024852+01:00 - Conditions can change. HTML page: https://snorkelforecast.com/portugal/porto-santo/ - Forecast JSON: https://snorkelforecast.com/portugal/porto-santo/forecast.json - Sea temperature: https://snorkelforecast.com/portugal/porto-santo/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/portugal/porto-santo/sea-temperature.md - History JSON: https://snorkelforecast.com/portugal/porto-santo/history.json - Embed widget: https://snorkelforecast.com/portugal/porto-santo/embed/sea-temperature/ - Current sea temperature: 23.2 °C (73.8 °F) - Baseline normal for month 10: 23.7 °C (74.7 °F) from 3 sample years - Sea temperature versus month 10 normal: -0.5 °C (-0.9 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-10-17T21:00:00+01:00 | poor | 0.0 | no | 1.92 | 6.38 | 23.2 | | 2026-10-17T22:00:00+01:00 | poor | 0.0 | no | 1.92 | 5.94 | 23.2 | | 2026-10-17T23:00:00+01:00 | poor | 0.0 | no | 1.9 | 5.53 | 23.2 | | 2026-10-18T00:00:00+01:00 | poor | 0.0 | no | 1.9 | 5.73 | 23.1 | | 2026-10-18T01:00:00+01:00 | poor | 0.0 | no | 1.88 | 5.66 | 23.1 | | 2026-10-18T02:00:00+01:00 | poor | 0.0 | no | 1.86 | 5.63 | 23.1 | | 2026-10-18T03:00:00+01:00 | poor | 0.0 | no | 1.86 | 5.71 | 23.1 | | 2026-10-18T04:00:00+01:00 | poor | 0.0 | no | 1.84 | 5.91 | 23.1 | | 2026-10-18T05:00:00+01:00 | poor | 0.0 | no | 1.84 | 6.15 | 23.1 | | 2026-10-18T06:00:00+01:00 | poor | 0.0 | no | 1.84 | 6.28 | 23.1 | | 2026-10-18T07:00:00+01:00 | poor | 0.0 | no | 1.84 | 6.18 | 23.1 | | 2026-10-18T08:00:00+01:00 | poor | 0.0 | no | 1.84 | 6.01 | 23.1 | | 2026-10-18T09:00:00+01:00 | poor | 0.2863777777777778 | no | 1.84 | 5.82 | 23.1 | | 2026-10-18T10:00:00+01:00 | poor | 0.3083925925925925 | no | 1.84 | 5.18 | 23.1 | | 2026-10-18T11:00:00+01:00 | poor | 0.26578148148148145 | no | 1.88 | 7.28 | 23.1 | | 2026-10-18T12:00:00+01:00 | poor | 0.29269999999999996 | no | 1.9 | 6.48 | 23.1 | | 2026-10-18T13:00:00+01:00 | poor | 0.22097222222222224 | no | 1.94 | 8.49 | 23.1 | | 2026-10-18T14:00:00+01:00 | poor | 0.2563888888888889 | no | 1.98 | 6.96 | 23.1 | | 2026-10-18T15:00:00+01:00 | poor | 0.22930555555555554 | no | 2.02 | 8.13 | 23.1 | | 2026-10-18T16:00:00+01:00 | poor | 0.2251388888888889 | no | 2.06 | 8.31 | 23.1 | | 2026-10-18T17:00:00+01:00 | poor | 0.24828703703703703 | no | 2.12 | 7.31 | 23.0 | | 2026-10-18T18:00:00+01:00 | poor | 0.22629629629629633 | no | 2.16 | 8.26 | 23.0 | | 2026-10-18T19:00:00+01:00 | poor | 0.25083333333333335 | no | 2.22 | 7.2 | 23.0 | | 2026-10-18T20:00:00+01:00 | poor | 0.0 | no | 2.26 | 6.94 | 23.0 | ## Nearby spots - [Azores - Pico](https://snorkelforecast.com/portugal/azores-pico/index.md) - [Azores - São Miguel](https://snorkelforecast.com/portugal/azores-sao-miguel/index.md) - [Lagos](https://snorkelforecast.com/portugal/lagos/index.md) - [Madeira - Garajau](https://snorkelforecast.com/portugal/madeira-garajau/index.md)