# Aitutaki Lagoon snorkeling forecast Aitutaki Lagoon looks marginal today. The least-bad daylight window is around Sun 13:00, but waves is limiting the forecast. - Location: Aitutaki Lagoon, Cook Islands - Timezone: Pacific/Rarotonga - Valid period: next 72 hours from 2026-09-20T09:54:58.715501-10:00 - Verdict: Marginal - Score: 4.2/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-09-20T06:05:24.573007-10:00 - Conditions can change. HTML page: https://snorkelforecast.com/cook-islands/aitutaki-lagoon/ - Forecast JSON: https://snorkelforecast.com/cook-islands/aitutaki-lagoon/forecast.json - Sea temperature: https://snorkelforecast.com/cook-islands/aitutaki-lagoon/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/cook-islands/aitutaki-lagoon/sea-temperature.md - History JSON: https://snorkelforecast.com/cook-islands/aitutaki-lagoon/history.json - Embed widget: https://snorkelforecast.com/cook-islands/aitutaki-lagoon/embed/sea-temperature/ - Current sea temperature: 25.3 °C (77.5 °F) - Baseline normal for month 9: 25.7 °C (78.3 °F) from 3 sample years - Sea temperature versus month 9 normal: -0.4 °C (-0.7 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-09-20T10:00:00-10:00 | fair | 0.39157222222222215 | no | 1.38 | 4.71 | 25.3 | | 2026-09-20T11:00:00-10:00 | fair | 0.3772018518518519 | no | 1.36 | 5.59 | 25.3 | | 2026-09-20T12:00:00-10:00 | fair | 0.40134259259259264 | no | 1.36 | 4.91 | 25.3 | | 2026-09-20T13:00:00-10:00 | fair | 0.4163518518518518 | no | 1.34 | 4.78 | 25.3 | | 2026-09-20T14:00:00-10:00 | poor | 0.0 | no | 1.34 | 4.6 | 25.3 | | 2026-09-20T15:00:00-10:00 | poor | 0.0 | no | 1.34 | 4.49 | 25.3 | | 2026-09-20T16:00:00-10:00 | poor | 0.0 | no | 1.32 | 3.98 | 25.3 | | 2026-09-20T17:00:00-10:00 | poor | 0.0 | no | 1.32 | 4.37 | 25.3 | | 2026-09-20T18:00:00-10:00 | poor | 0.0 | no | 1.32 | 4.07 | 25.3 | | 2026-09-20T19:00:00-10:00 | poor | 0.0 | no | 1.32 | 3.64 | 25.3 | | 2026-09-20T20:00:00-10:00 | poor | 0.0 | no | 1.32 | 3.3 | 25.3 | | 2026-09-20T21:00:00-10:00 | poor | 0.0 | no | 1.32 | 3.97 | 25.3 | | 2026-09-20T22:00:00-10:00 | poor | 0.0 | no | 1.34 | 4.46 | 25.3 | | 2026-09-20T23:00:00-10:00 | poor | 0.0 | no | 1.34 | 4.55 | 25.3 | | 2026-09-21T00:00:00-10:00 | poor | 0.0 | no | 1.36 | 4.45 | 25.3 | | 2026-09-21T01:00:00-10:00 | poor | 0.0 | no | 1.36 | 4.84 | 25.3 | | 2026-09-21T02:00:00-10:00 | poor | 0.0 | no | 1.38 | 4.64 | 25.3 | | 2026-09-21T03:00:00-10:00 | poor | 0.0 | no | 1.4 | 3.71 | 25.3 | | 2026-09-21T04:00:00-10:00 | poor | 0.0 | no | 1.42 | 3.22 | 25.2 | | 2026-09-21T05:00:00-10:00 | poor | 0.0 | no | 1.44 | 3.27 | 25.2 | | 2026-09-21T06:00:00-10:00 | poor | 0.0 | no | 1.46 | 2.88 | 25.2 | | 2026-09-21T07:00:00-10:00 | fair | 0.4647925925925926 | no | 1.5 | 3.29 | 25.2 | | 2026-09-21T08:00:00-10:00 | fair | 0.43361111111111117 | no | 1.52 | 3.03 | 25.2 | | 2026-09-21T09:00:00-10:00 | fair | 0.4949388888888888 | no | 1.54 | 3.18 | 25.3 | ## Nearby spots - [Rarotonga](https://snorkelforecast.com/cook-islands/rarotonga/index.md)