# Napili Bay snorkeling forecast

Napili Bay looks marginal today. The least-bad daylight window is around Tue 13:00, but waves is limiting the forecast.

- Location: Napili Bay, USA
- Timezone: Pacific/Honolulu
- Valid period: next 72 hours from 2026-09-22T10:28:33.001707-10:00
- Verdict: Marginal
- Score: 4.2/10
- Share of next 72h scored OK: 0%
- Source: snapshot
- Generated at: 2026-09-22T05:28:00.754447-10:00
- Conditions can change. HTML page: https://snorkelforecast.com/usa/napili-bay/
- Forecast JSON: https://snorkelforecast.com/usa/napili-bay/forecast.json
- Sea temperature: https://snorkelforecast.com/usa/napili-bay/sea-temperature/
- Sea temperature markdown: https://snorkelforecast.com/usa/napili-bay/sea-temperature.md
- History JSON: https://snorkelforecast.com/usa/napili-bay/history.json
- Embed widget: https://snorkelforecast.com/usa/napili-bay/embed/sea-temperature/
- Current sea temperature: 27.7 °C (81.9 °F)
- Baseline normal for month 9: 27.2 °C (81.0 °F) from 3 sample years
- Sea temperature versus month 9 normal: +0.5 °C (+0.9 °F), warmer 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 |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-09-22T11:00:00-10:00 | fair | 0.3605037037037037 | no | 1.14 | 7.4 | 27.7 |
| 2026-09-22T12:00:00-10:00 | fair | 0.39319259259259265 | no | 1.16 | 7.88 | 27.7 |
| 2026-09-22T13:00:00-10:00 | fair | 0.4229185185185186 | no | 1.18 | 7.84 | 27.8 |
| 2026-09-22T14:00:00-10:00 | poor | 0.0 | no | 1.2 | 7.79 | 27.8 |
| 2026-09-22T15:00:00-10:00 | poor | 0.0 | no | 1.24 | 7.8 | 27.8 |
| 2026-09-22T16:00:00-10:00 | poor | 0.0 | no | 1.26 | 7.88 | 27.8 |
| 2026-09-22T17:00:00-10:00 | poor | 0.0 | no | 1.3 | 8.07 | 27.8 |
| 2026-09-22T18:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.83 | 27.8 |
| 2026-09-22T19:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.83 | 27.7 |
| 2026-09-22T20:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.68 | 27.7 |
| 2026-09-22T21:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.42 | 27.7 |
| 2026-09-22T22:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.57 | 27.7 |
| 2026-09-22T23:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.24 | 27.7 |
| 2026-09-23T00:00:00-10:00 | poor | 0.0 | no | 1.3 | 6.93 | 27.7 |
| 2026-09-23T01:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.17 | 27.7 |
| 2026-09-23T02:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.29 | 27.7 |
| 2026-09-23T03:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.08 | 27.7 |
| 2026-09-23T04:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.53 | 27.7 |
| 2026-09-23T05:00:00-10:00 | poor | 0.0 | no | 1.3 | 7.56 | 27.7 |
| 2026-09-23T06:00:00-10:00 | poor | 0.0 | no | 1.32 | 7.74 | 27.7 |
| 2026-09-23T07:00:00-10:00 | poor | 0.23212592592592587 | no | 1.32 | 8.06 | 27.7 |
| 2026-09-23T08:00:00-10:00 | poor | 0.22661296296296302 | no | 1.34 | 8.35 | 27.7 |
| 2026-09-23T09:00:00-10:00 | poor | 0.22652777777777777 | no | 1.36 | 8.25 | 27.7 |
| 2026-09-23T10:00:00-10:00 | poor | 0.22930555555555554 | no | 1.4 | 8.13 | 27.7 |

## 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)