# Nosy Be snorkeling forecast Nosy Be has a usable snorkeling window around Sat 08:00. The main thing to watch is tide/current. - Location: Nosy Be, Madagascar - Timezone: Indian/Antananarivo - Valid period: next 72 hours from 2026-10-17T07:05:14.790543+03:00 - Verdict: Go in the best window - Score: 7.8/10 - Share of next 72h scored OK: 39% - Source: snapshot - Generated at: 2026-10-17T06:33:49.839308+03:00 - Conditions can change. HTML page: https://snorkelforecast.com/madagascar/nosy-be/ - Forecast JSON: https://snorkelforecast.com/madagascar/nosy-be/forecast.json - Sea temperature: https://snorkelforecast.com/madagascar/nosy-be/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/madagascar/nosy-be/sea-temperature.md - History JSON: https://snorkelforecast.com/madagascar/nosy-be/history.json - Embed widget: https://snorkelforecast.com/madagascar/nosy-be/embed/sea-temperature/ - Current sea temperature: 28.3 °C (82.9 °F) - Baseline normal for month 10: 28.9 °C (84.0 °F) from 3 sample years - Sea temperature versus month 10 normal: -0.6 °C (-1.1 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-10-17T08:00:00+03:00 | excellent | 0.7804166666666666 | yes | 0.36 | 0.63 | 28.3 | | 2026-10-17T09:00:00+03:00 | good | 0.6936407407407407 | yes | 0.34 | 0.82 | 28.3 | | 2026-10-17T10:00:00+03:00 | good | 0.686775925925926 | yes | 0.32 | 1.07 | 28.4 | | 2026-10-17T11:00:00+03:00 | good | 0.6630185185185185 | yes | 0.32 | 2.2 | 28.4 | | 2026-10-17T12:00:00+03:00 | good | 0.6367814814814815 | yes | 0.3 | 4.22 | 28.5 | | 2026-10-17T13:00:00+03:00 | good | 0.6303 | yes | 0.34 | 3.66 | 28.6 | | 2026-10-17T14:00:00+03:00 | good | 0.6249148148148148 | yes | 0.36 | 3.68 | 28.7 | | 2026-10-17T15:00:00+03:00 | fair | 0.5414796296296296 | no | 0.4 | 4.63 | 28.7 | | 2026-10-17T16:00:00+03:00 | good | 0.5509814814814814 | yes | 0.42 | 4.94 | 28.7 | | 2026-10-17T17:00:00+03:00 | good | 0.5879629629629629 | yes | 0.42 | 4.12 | 28.7 | | 2026-10-17T18:00:00+03:00 | poor | 0.0 | no | 0.44 | 3.04 | 28.7 | | 2026-10-17T19:00:00+03:00 | poor | 0.0 | no | 0.42 | 2.21 | 28.6 | | 2026-10-17T20:00:00+03:00 | poor | 0.0 | no | 0.42 | 0.91 | 28.6 | | 2026-10-17T21:00:00+03:00 | poor | 0.0 | no | 0.4 | 1.66 | 28.5 | | 2026-10-17T22:00:00+03:00 | poor | 0.0 | no | 0.4 | 3.76 | 28.5 | | 2026-10-17T23:00:00+03:00 | poor | 0.0 | no | 0.4 | 3.8 | 28.5 | | 2026-10-18T00:00:00+03:00 | poor | 0.0 | no | 0.4 | 3.3 | 28.4 | | 2026-10-18T01:00:00+03:00 | poor | 0.0 | no | 0.42 | 2.33 | 28.4 | | 2026-10-18T02:00:00+03:00 | poor | 0.0 | no | 0.44 | 1.33 | 28.3 | | 2026-10-18T03:00:00+03:00 | poor | 0.0 | no | 0.46 | 1.43 | 28.3 | | 2026-10-18T04:00:00+03:00 | poor | 0.0 | no | 0.44 | 1.55 | 28.3 | | 2026-10-18T05:00:00+03:00 | poor | 0.0 | no | 0.42 | 1.31 | 28.3 | | 2026-10-18T06:00:00+03:00 | good | 0.5530074074074074 | yes | 0.4 | 1.54 | 28.3 | | 2026-10-18T07:00:00+03:00 | good | 0.5787018518518519 | yes | 0.38 | 0.85 | 28.3 |