# Tunnels Beach snorkeling forecast Tunnels Beach looks marginal today. The least-bad daylight window is around Sat 11:00, but waves is limiting the forecast. - Location: Tunnels Beach, USA - Timezone: Pacific/Honolulu - Valid period: next 72 hours from 2026-09-26T07:35:19.554244-10:00 - Verdict: Marginal - Score: 3.5/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-09-26T04:42:00.543702-10:00 - Conditions can change. HTML page: https://snorkelforecast.com/usa/tunnels-beach/ - Forecast JSON: https://snorkelforecast.com/usa/tunnels-beach/forecast.json - Sea temperature: https://snorkelforecast.com/usa/tunnels-beach/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/usa/tunnels-beach/sea-temperature.md - History JSON: https://snorkelforecast.com/usa/tunnels-beach/history.json - Embed widget: https://snorkelforecast.com/usa/tunnels-beach/embed/sea-temperature/ - Current sea temperature: 26.6 °C (79.9 °F) - Baseline normal for month 9: 27.3 °C (81.1 °F) from 3 sample years - Sea temperature versus month 9 normal: -0.7 °C (-1.3 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-09-26T08:00:00-10:00 | poor | 0.2782333333333333 | no | 2.72 | 6.12 | 26.6 | | 2026-09-26T09:00:00-10:00 | poor | 0.2818518518518518 | no | 2.74 | 5.86 | 26.6 | | 2026-09-26T10:00:00-10:00 | poor | 0.2650388888888889 | no | 2.74 | 6.69 | 26.7 | | 2026-09-26T11:00:00-10:00 | poor | 0.3463907407407407 | no | 2.76 | 6.61 | 26.7 | | 2026-09-26T12:00:00-10:00 | poor | 0.26527037037037043 | no | 2.76 | 6.68 | 26.7 | | 2026-09-26T13:00:00-10:00 | poor | 0.2661537037037037 | no | 2.78 | 6.59 | 26.8 | | 2026-09-26T14:00:00-10:00 | poor | 0.0 | no | 2.78 | 6.65 | 26.8 | | 2026-09-26T15:00:00-10:00 | poor | 0.0 | no | 2.9 | 6.2 | 26.8 | | 2026-09-26T16:00:00-10:00 | poor | 0.0 | no | 3.04 | 7.72 | 26.8 | | 2026-09-26T17:00:00-10:00 | poor | 0.0 | no | 3.16 | 7.48 | 26.8 | | 2026-09-26T18:00:00-10:00 | poor | 0.0 | no | 3.22 | 7.84 | 26.8 | | 2026-09-26T19:00:00-10:00 | poor | 0.0 | no | 3.28 | 7.93 | 26.7 | | 2026-09-26T20:00:00-10:00 | poor | 0.0 | no | 3.34 | 8.5 | 26.7 | | 2026-09-26T21:00:00-10:00 | poor | 0.0 | no | 3.36 | 8.83 | 26.7 | | 2026-09-26T22:00:00-10:00 | poor | 0.0 | no | 3.38 | 8.62 | 26.7 | | 2026-09-26T23:00:00-10:00 | poor | 0.0 | no | 3.4 | 8.45 | 26.7 | | 2026-09-27T00:00:00-10:00 | poor | 0.0 | no | 3.38 | 8.55 | 26.7 | | 2026-09-27T01:00:00-10:00 | poor | 0.0 | no | 3.38 | 7.92 | 26.6 | | 2026-09-27T02:00:00-10:00 | poor | 0.0 | no | 3.36 | 7.99 | 26.6 | | 2026-09-27T03:00:00-10:00 | poor | 0.0 | no | 3.32 | 8.5 | 26.6 | | 2026-09-27T04:00:00-10:00 | poor | 0.0 | no | 3.26 | 8.32 | 26.6 | | 2026-09-27T05:00:00-10:00 | poor | 0.0 | no | 3.22 | 7.45 | 26.6 | | 2026-09-27T06:00:00-10:00 | poor | 0.0 | no | 3.2 | 7.65 | 26.6 | | 2026-09-27T07:00:00-10:00 | poor | 0.24157407407407405 | no | 3.18 | 7.6 | 26.6 | ## Nearby spots - [Ahihi Kinau](https://snorkelforecast.com/usa/ahihi-kinau/index.md) - [Anaehoomalu Bay](https://snorkelforecast.com/usa/anaehoomalu-bay/index.md) - [Anini Beach](https://snorkelforecast.com/usa/anini-beach/index.md) - [Bahia Honda](https://snorkelforecast.com/usa/bahia-honda/index.md)