# Mnemba Atoll snorkeling forecast Mnemba Atoll looks marginal today. The least-bad daylight window is around Sat 07:00, but waves is limiting the forecast. - Location: Mnemba Atoll, Tanzania - Timezone: Africa/Dar_es_Salaam - Valid period: next 72 hours from 2026-10-17T06:28:44.102696+03:00 - Verdict: Marginal - Score: 4.6/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-10-17T03:29:01.426119+03:00 - Conditions can change. HTML page: https://snorkelforecast.com/tanzania/mnemba-atoll/ - Forecast JSON: https://snorkelforecast.com/tanzania/mnemba-atoll/forecast.json - Sea temperature: https://snorkelforecast.com/tanzania/mnemba-atoll/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/tanzania/mnemba-atoll/sea-temperature.md - History JSON: https://snorkelforecast.com/tanzania/mnemba-atoll/history.json - Embed widget: https://snorkelforecast.com/tanzania/mnemba-atoll/embed/sea-temperature/ - Current sea temperature: 26.9 °C (80.4 °F) - Baseline normal for month 10: 27.0 °C (80.6 °F) from 3 sample years - Sea temperature versus month 10 normal: -0.1 °C (-0.2 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-10-17T07:00:00+03:00 | fair | 0.45558703703703696 | no | 1.2 | 2.45 | 26.9 | | 2026-10-17T08:00:00+03:00 | fair | 0.42380185185185176 | no | 1.22 | 2.89 | 27.0 | | 2026-10-17T09:00:00+03:00 | fair | 0.4363129629629629 | no | 1.22 | 3.49 | 27.0 | | 2026-10-17T10:00:00+03:00 | fair | 0.3845722222222222 | no | 1.22 | 4.17 | 27.0 | | 2026-10-17T11:00:00+03:00 | fair | 0.41094814814814806 | no | 1.24 | 3.86 | 27.1 | | 2026-10-17T12:00:00+03:00 | fair | 0.41159999999999997 | no | 1.24 | 3.78 | 27.2 | | 2026-10-17T13:00:00+03:00 | poor | 0.34958888888888884 | no | 1.24 | 4.8 | 27.3 | | 2026-10-17T14:00:00+03:00 | fair | 0.35041666666666665 | no | 1.26 | 5.49 | 27.3 | | 2026-10-17T15:00:00+03:00 | fair | 0.3796611111111111 | no | 1.26 | 5.73 | 27.4 | | 2026-10-17T16:00:00+03:00 | fair | 0.37831481481481477 | no | 1.28 | 5.84 | 27.4 | | 2026-10-17T17:00:00+03:00 | fair | 0.3829685185185185 | no | 1.32 | 5.95 | 27.3 | | 2026-10-17T18:00:00+03:00 | fair | 0.3911185185185185 | no | 1.34 | 6.22 | 27.3 | | 2026-10-17T19:00:00+03:00 | poor | 0.0 | no | 1.36 | 5.8 | 27.2 | | 2026-10-17T20:00:00+03:00 | poor | 0.0 | no | 1.36 | 5.59 | 27.2 | | 2026-10-17T21:00:00+03:00 | poor | 0.0 | no | 1.38 | 5.1 | 27.1 | | 2026-10-17T22:00:00+03:00 | poor | 0.0 | no | 1.38 | 4.64 | 27.1 | | 2026-10-17T23:00:00+03:00 | poor | 0.0 | no | 1.38 | 4.23 | 27.1 | | 2026-10-18T00:00:00+03:00 | poor | 0.0 | no | 1.38 | 3.75 | 27.1 | | 2026-10-18T01:00:00+03:00 | poor | 0.0 | no | 1.38 | 3.66 | 27.0 | | 2026-10-18T02:00:00+03:00 | poor | 0.0 | no | 1.38 | 3.52 | 27.0 | | 2026-10-18T03:00:00+03:00 | poor | 0.0 | no | 1.38 | 3.49 | 27.0 | | 2026-10-18T04:00:00+03:00 | poor | 0.0 | no | 1.38 | 3.33 | 27.0 | | 2026-10-18T05:00:00+03:00 | poor | 0.0 | no | 1.4 | 3.35 | 27.0 | | 2026-10-18T06:00:00+03:00 | fair | 0.4170037037037037 | no | 1.4 | 3.08 | 27.0 | ## Nearby spots - [Mafia Island](https://snorkelforecast.com/tanzania/mafia-island/index.md)