# Dry Tortugas snorkeling forecast

Dry Tortugas has a usable snorkeling window around Mon 08:00. The main thing to watch is sea temperature.

- Location: Dry Tortugas, USA
- Timezone: America/New_York
- Valid period: next 72 hours from 2026-09-21T04:58:30.058860-04:00
- Verdict: Go in the best window
- Score: 6.1/10
- Share of next 72h scored OK: 14%
- Source: snapshot
- Generated at: 2026-09-21T04:34:01.392560-04:00
- Conditions can change. HTML page: https://snorkelforecast.com/usa/dry-tortugas/
- Forecast JSON: https://snorkelforecast.com/usa/dry-tortugas/forecast.json
- Sea temperature: https://snorkelforecast.com/usa/dry-tortugas/sea-temperature/
- Sea temperature markdown: https://snorkelforecast.com/usa/dry-tortugas/sea-temperature.md
- History JSON: https://snorkelforecast.com/usa/dry-tortugas/history.json
- Embed widget: https://snorkelforecast.com/usa/dry-tortugas/embed/sea-temperature/
- Current sea temperature: 30.9 °C (87.6 °F)
- Baseline normal for month 9: 30.8 °C (87.4 °F) from 3 sample years
- Sea temperature versus month 9 normal: +0.1 °C (+0.2 °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 |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-09-21T05:00:00-04:00 | poor | 0.0 | no | 0.4 | 3.81 | 30.9 |
| 2026-09-21T06:00:00-04:00 | poor | 0.0 | no | 0.38 | 4.53 | 30.8 |
| 2026-09-21T07:00:00-04:00 | poor | 0.0 | no | 0.38 | 4.37 | 30.8 |
| 2026-09-21T08:00:00-04:00 | good | 0.6080555555555555 | yes | 0.36 | 4.35 | 30.8 |
| 2026-09-21T09:00:00-04:00 | fair | 0.5048055555555554 | no | 0.36 | 5.7 | 30.8 |
| 2026-09-21T10:00:00-04:00 | fair | 0.45319444444444446 | no | 0.36 | 5.37 | 30.9 |
| 2026-09-21T11:00:00-04:00 | fair | 0.512537037037037 | no | 0.36 | 4.88 | 30.9 |
| 2026-09-21T12:00:00-04:00 | fair | 0.5001851851851852 | no | 0.36 | 5.77 | 30.9 |
| 2026-09-21T13:00:00-04:00 | fair | 0.5013518518518518 | no | 0.36 | 5.59 | 31.0 |
| 2026-09-21T14:00:00-04:00 | fair | 0.43428888888888884 | no | 0.36 | 8.85 | 31.0 |
| 2026-09-21T15:00:00-04:00 | fair | 0.534824074074074 | no | 0.34 | 5.05 | 31.0 |
| 2026-09-21T16:00:00-04:00 | fair | 0.5416296296296296 | no | 0.32 | 2.26 | 31.0 |
| 2026-09-21T17:00:00-04:00 | fair | 0.5108111111111111 | no | 0.3 | 5.1 | 31.0 |
| 2026-09-21T18:00:00-04:00 | fair | 0.5300555555555554 | no | 0.28 | 3.6 | 31.0 |
| 2026-09-21T19:00:00-04:00 | good | 0.5879259259259259 | yes | 0.28 | 1.1 | 31.0 |
| 2026-09-21T20:00:00-04:00 | poor | 0.0 | no | 0.26 | 4.5 | 31.0 |
| 2026-09-21T21:00:00-04:00 | poor | 0.0 | no | 0.24 | 2.69 | 31.0 |
| 2026-09-21T22:00:00-04:00 | poor | 0.0 | no | 0.24 | 8.66 | 30.9 |
| 2026-09-21T23:00:00-04:00 | poor | 0.0 | no | 0.22 | 3.49 | 30.9 |
| 2026-09-22T00:00:00-04:00 | poor | 0.0 | no | 0.22 | 4.49 | 30.9 |
| 2026-09-22T01:00:00-04:00 | poor | 0.0 | no | 0.22 | 2.42 | 30.9 |
| 2026-09-22T02:00:00-04:00 | poor | 0.0 | no | 0.22 | 3.95 | 30.9 |
| 2026-09-22T03:00:00-04:00 | poor | 0.0 | no | 0.24 | 5.5 | 30.9 |
| 2026-09-22T04:00:00-04:00 | poor | 0.0 | no | 0.24 | 8.23 | 30.8 |

## 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)