# Catalina Island snorkeling forecast

Catalina Island has no good model window later today. Check the three-day outlook and official beach advisories.

- Location: Catalina Island, USA
- Timezone: America/New_York
- Valid period: next 72 hours from 2026-10-16T22:35:48.751173-04:00
- Verdict: Poor
- Score: 0.0/10
- Share of next 72h scored OK: 4%
- Source: snapshot
- Generated at: 2026-10-16T20:27:20.777698-04:00
- Conditions can change. HTML page: https://snorkelforecast.com/usa/catalina-island/
- Forecast JSON: https://snorkelforecast.com/usa/catalina-island/forecast.json
- Sea temperature: https://snorkelforecast.com/usa/catalina-island/sea-temperature/
- Sea temperature markdown: https://snorkelforecast.com/usa/catalina-island/sea-temperature.md
- History JSON: https://snorkelforecast.com/usa/catalina-island/history.json
- Embed widget: https://snorkelforecast.com/usa/catalina-island/embed/sea-temperature/
- Current sea temperature: 21.9 °C (71.4 °F)
- Baseline normal for month 10: 19.7 °C (67.5 °F) from 3 sample years
- Sea temperature versus month 10 normal: +2.2 °C (+4.0 °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 |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-10-16T23:00:00-04:00 | poor | 0.0 | no | 0.72 | 2.5 | 21.9 |
| 2026-10-17T00:00:00-04:00 | poor | 0.0 | no | 0.72 | 2.25 | 21.8 |
| 2026-10-17T01:00:00-04:00 | poor | 0.0 | no | 0.74 | 3.94 | 21.7 |
| 2026-10-17T02:00:00-04:00 | poor | 0.0 | no | 0.74 | 4.32 | 21.7 |
| 2026-10-17T03:00:00-04:00 | poor | 0.0 | no | 0.74 | 4.3 | 21.6 |
| 2026-10-17T04:00:00-04:00 | poor | 0.0 | no | 0.76 | 4.7 | 21.6 |
| 2026-10-17T05:00:00-04:00 | poor | 0.0 | no | 0.76 | 5.36 | 21.5 |
| 2026-10-17T06:00:00-04:00 | poor | 0.0 | no | 0.76 | 5.35 | 21.5 |
| 2026-10-17T07:00:00-04:00 | poor | 0.0 | no | 0.76 | 5.31 | 21.5 |
| 2026-10-17T08:00:00-04:00 | poor | 0.0 | no | 0.76 | 5.7 | 21.5 |
| 2026-10-17T09:00:00-04:00 | poor | 0.0 | no | 0.76 | 5.24 | 21.5 |
| 2026-10-17T10:00:00-04:00 | poor | 0.32745370370370364 | no | 0.76 | 3.89 | 21.5 |
| 2026-10-17T11:00:00-04:00 | poor | 0.2725925925925926 | no | 0.76 | 6.26 | 21.5 |
| 2026-10-17T12:00:00-04:00 | poor | 0.3012962962962963 | no | 0.76 | 5.02 | 21.5 |
| 2026-10-17T13:00:00-04:00 | poor | 0.3468981481481481 | no | 0.78 | 3.05 | 21.6 |
| 2026-10-17T14:00:00-04:00 | fair | 0.4527851851851852 | no | 0.78 | 2.26 | 21.7 |
| 2026-10-17T15:00:00-04:00 | fair | 0.467824074074074 | no | 0.8 | 3.01 | 21.8 |
| 2026-10-17T16:00:00-04:00 | fair | 0.47371481481481476 | no | 0.8 | 2.6 | 22.0 |
| 2026-10-17T17:00:00-04:00 | fair | 0.48135370370370373 | no | 0.82 | 2.27 | 22.1 |
| 2026-10-17T18:00:00-04:00 | fair | 0.4536185185185185 | no | 0.84 | 3.52 | 22.3 |
| 2026-10-17T19:00:00-04:00 | fair | 0.411687037037037 | no | 0.84 | 4.34 | 22.4 |
| 2026-10-17T20:00:00-04:00 | poor | 0.0 | no | 0.86 | 5.0 | 22.5 |
| 2026-10-17T21:00:00-04:00 | poor | 0.0 | no | 0.86 | 4.7 | 22.4 |
| 2026-10-17T22:00:00-04:00 | poor | 0.0 | no | 0.88 | 4.18 | 22.3 |

## 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)