Can you snorkel in Dry Tortugas today?

Conditions look marginal right now — no clearly safe snorkeling window is forecast in Dry Tortugas over the next 72 hours. Check the hourly table for the calmest period.

What is the best time of day to snorkel in Dry Tortugas?

Snorkel during daylight, ideally in the morning before the wind picks up, and around high slack tide when water is clearest and currents are weakest. SnorkelForecast scores every daylight hour in Dry Tortugas so you can pick the calmest window.

What is the best tide for snorkeling?

High slack tide — within about an hour of the high-tide peak when currents are weakest — is the safest, clearest window. Strong low tides, strong tidal flow near channels or headlands, and large tidal-range days reduce score.

Dry Tortugas Snorkel Report Today

USA · Updated Tue 04:14 (EDT) · Source: Snapshot · Showing fallback/stale data

The skinny

Marginal Report Wed 08:07

Dry Tortugas looks marginal today. The least-bad daylight window is around Thu 19:00, but waves is limiting the forecast.

Score: 4.6/10

Best time: Thu 19:00

Main risk: Waves

Best morning signal: Wed 09:00 (Fair).

Best afternoon signal: Wed 19:00 (Fair). Peak afternoon wind is about 5.2 m/s.

Email me when it is good

Sunrise

06:55

Sunset

20:20

Water

30.5°C

Max air

29.3°C

Sky

Clear

0% cloud

No safe window in the next 72 hours

Use the best-available section for the least-bad times.

3-day planner Best available Show data

3-day planner

Wednesday

⚠️ fair conditions

Main blocker: Waves

Thursday

⚠️ fair conditions

Main blocker: Waves

Best available hours

Thu 23:00 — Fair (0.52) · still limited by waves, sea temperature
Thu 22:00 — Fair (0.51) · still limited by waves, sea temperature
Thu 14:00 — Fair (0.48) · still limited by waves, sea temperature

Why this verdict

Main blockers across the next 72 hours:

Waves (39 hours)
Sea temperature (39 hours)
Tide/current (29 hours)

Jellyfish drift risk

Drift estimate from wind, swell, current and warm water.

Low · 34/100

Low drift risk now.

warm water supports seasonal jellyfish activity; surface drift/current is noticeable; local shoreline exposure is not mapped yet.

Sightings override the model: if you see small purple jellyfish with long trailing tentacles, treat them as sting-capable and give them space.

Upcoming high tides

Next early morning high tide: Thu 09:00

Wed 23:00, Thu 09:00

Nearby alternatives in USA

Looe Key

149 km away

❌ Poor

Bahia Honda

161 km away

✅ Good

Key Largo

250 km away

✅ Good

Crystal River

476 km away

✅ Good

Advanced forecast data

Viewing historical data

Sat 12:00 – Tue 12:00 (EDT)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.61 around Sat 15:00; 13 of 24 hours are good, fair, or excellent.

Score trend, higher is better. Excellent ≥ 0.72, good 0.55–0.72, fair 0.35–0.55.

Conditions (24h trends)

Tap a chart to load just that series.

22/24 sampled hours stay at or below 0.36m (range 0.2m to 0.38m).

Wind is at or below 5.4m/s in 6/24 sampled hours (range 0.7 to 22.1m/s).

Tides range from -0.38m to 0.05m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview

Sat 12:00 fair ⚠️ Fair

Sat 13:00 fair ⚠️ Fair

Sat 14:00 good 🌟 Good

Sat 15:00 good 🌟 Good

Sat 16:00 fair ⚠️ Fair

Sat 17:00 fair ⚠️ Fair

Sat 18:00 good 🌟 Good

Sat 19:00 good 🌟 Good

Sat 20:00 fair ⚠️ Fair

Sat 21:00 fair ⚠️ Fair

Sat 22:00 fair ⚠️ Fair

Sat 23:00 fair ⚠️ Fair

Sun 00:00 poor ❌ Limited

Sun 01:00 poor ❌ Limited

Sun 02:00 poor ❌ Limited

Sun 03:00 poor ❌ Limited

Sun 04:00 poor ❌ Limited

Sun 05:00 poor ❌ Limited

Sun 06:00 poor ❌ Limited

Sun 07:00 poor ❌ Limited

Sun 08:00 poor ❌ Limited

Sun 09:00 poor ❌ Limited

Sun 10:00 poor ❌ Limited

Sun 11:00 fair ⚠️ Fair

Sun 12:00 fair ⚠️ Fair

Sun 13:00 fair ⚠️ Fair

Sun 14:00 fair ⚠️ Fair

Sun 15:00 fair ⚠️ Fair

Sun 16:00 fair ⚠️ Fair

Sun 17:00 fair ⚠️ Fair

Sun 18:00 fair ⚠️ Fair

Sun 19:00 fair ⚠️ Fair

Sun 20:00 fair ⚠️ Fair

Sun 21:00 fair ⚠️ Fair

Sun 22:00 fair ⚠️ Fair

Sun 23:00 fair ⚠️ Fair

Mon 00:00 poor ❌ Limited

Mon 01:00 poor ❌ Limited

Mon 02:00 poor ❌ Limited

Mon 03:00 poor ❌ Limited

Mon 04:00 poor ❌ Limited

Mon 05:00 poor ❌ Limited

Mon 06:00 poor ❌ Limited

Mon 07:00 poor ❌ Limited

Mon 08:00 poor ❌ Limited

Mon 09:00 poor ❌ Limited

Mon 10:00 poor ❌ Limited

Mon 11:00 good 🌟 Good

Mon 12:00 fair ⚠️ Fair

Mon 13:00 fair ⚠️ Fair

Mon 14:00 good 🌟 Good

Mon 15:00 good 🌟 Good

Mon 16:00 good 🌟 Good

Mon 17:00 fair ⚠️ Fair

Mon 18:00 good 🌟 Good

Mon 19:00 good 🌟 Good

Mon 20:00 good 🌟 Good

Mon 21:00 good 🌟 Good

Mon 22:00 good 🌟 Good

Mon 23:00 good 🌟 Good

Tue 00:00 poor ❌ Limited

Tue 01:00 poor ❌ Limited

Tue 02:00 poor ❌ Limited

Tue 03:00 poor ❌ Limited

Tue 04:00 poor ❌ Limited

Tue 05:00 poor ❌ Limited

Tue 06:00 poor ❌ Limited

Tue 07:00 poor ❌ Limited

Tue 08:00 poor ❌ Limited

Tue 09:00 poor ❌ Limited

Tue 10:00 poor ❌ Limited

Tue 11:00 good 🌟 Good

Scoring methodology (for technical users)

We score each hour from 0 to 1 using daylight and these weighted components:

Wave height (35%): best below 0.36m, then decreases as it rises.
Wind speed (25%): best below 5.4m/s, lower is better.
Sea surface temperature (15%): best within 20.6°C to 30.4°C.
Tide and currents (15%): best around slack/high-tide windows.
Daylight (10%): visibility and safety gate (outside daylight scores lower).

Detailed hourly data table

Time	Wave (m)	Wind (m/s)	Sea temp (°C)	Status
Sat 12:00	0.24 · good	22.10 · high	30.90 · out of range	fair
Sat 13:00	0.24 · good	16.90 · high	30.90 · out of range	fair
Sat 14:00	0.24 · good	4.70 · good	31.00 · out of range	good
Sat 15:00	0.24 · good	5.90 · high	31.10 · out of range	good
Sat 16:00	0.24 · good	15.60 · high	31.30 · out of range	fair
Sat 17:00	0.22 · good	12.20 · high	31.40 · out of range	fair
Sat 18:00	0.22 · good	2.10 · good	31.40 · out of range	good
Sat 19:00	0.22 · good	0.70 · good	31.50 · out of range	good
Sat 20:00	0.20 · good	4.60 · good	31.50 · out of range	fair
Sat 21:00	0.20 · good	4.90 · good	31.50 · out of range	fair
Sat 22:00	0.20 · good	5.20 · good	31.50 · out of range	fair
Sat 23:00	0.20 · good	8.40 · high	31.50 · out of range	fair
Sun 00:00	0.20 · good	8.70 · high	31.40 · out of range	poor
Sun 01:00	0.20 · good	11.00 · high	31.40 · out of range	poor
Sun 02:00	0.22 · good	9.40 · high	31.30 · out of range	poor
Sun 03:00	0.22 · good	8.50 · high	31.20 · out of range	poor
Sun 04:00	0.26 · good	10.40 · high	31.20 · out of range	poor
Sun 05:00	0.30 · good	13.40 · high	31.10 · out of range	poor
Sun 06:00	0.34 · good	16.70 · high	31.00 · out of range	poor
Sun 07:00	0.36 · good	19.70 · high	31.00 · out of range	poor
Sun 08:00	0.36 · good	19.90 · high	30.90 · out of range	poor
Sun 09:00	0.38 · high	21.00 · high	30.90 · out of range	poor
Sun 10:00	0.38 · high	19.90 · high	30.90 · out of range	poor
Sun 11:00	0.36 · good	16.80 · high	30.90 · out of range	fair
Sun 12:00	0.36 · good	14.30 · high	30.90 · out of range	fair
Sun 13:00	0.34 · good	13.50 · high	30.90 · out of range	fair
Sun 14:00	0.34 · good	14.20 · high	31.00 · out of range	fair
Sun 15:00	0.32 · good	13.60 · high	31.10 · out of range	fair
Sun 16:00	0.32 · good	14.10 · high	31.20 · out of range	fair
Sun 17:00	0.30 · good	14.00 · high	31.30 · out of range	fair
Sun 18:00	0.30 · good	14.00 · high	31.30 · out of range	fair
Sun 19:00	0.28 · good	13.20 · high	31.30 · out of range	fair
Sun 20:00	0.28 · good	12.10 · high	31.30 · out of range	fair
Sun 21:00	0.26 · good	10.90 · high	31.30 · out of range	fair
Sun 22:00	0.26 · good	10.40 · high	31.30 · out of range	fair
Sun 23:00	0.26 · good	11.00 · high	31.30 · out of range	fair
Mon 00:00	0.26 · good	8.30 · high	31.20 · out of range	poor
Mon 01:00	0.30 · good	11.90 · high	31.20 · out of range	poor
Mon 02:00	0.32 · good	16.20 · high	31.20 · out of range	poor
Mon 03:00	0.36 · good	15.70 · high	31.10 · out of range	poor
Mon 04:00	0.38 · high	19.20 · high	31.10 · out of range	poor
Mon 05:00	0.40 · high	21.00 · high	31.00 · out of range	poor
Mon 06:00	0.42 · high	21.10 · high	31.00 · out of range	poor
Mon 07:00	0.42 · high	19.40 · high	30.90 · out of range	poor
Mon 08:00	0.42 · high	17.60 · high	30.90 · out of range	poor
Mon 09:00	0.42 · high	17.30 · high	30.80 · out of range	poor
Mon 10:00	0.42 · high	3.05 · good	30.80 · out of range	poor
Mon 11:00	0.40 · high	3.68 · good	30.80 · out of range	good
Mon 12:00	0.40 · high	3.70 · good	30.80 · out of range	fair
Mon 13:00	0.38 · high	12.41 · high	30.90 · out of range	fair
Mon 14:00	0.38 · high	3.32 · good	31.00 · out of range	good
Mon 15:00	0.36 · good	4.74 · good	31.10 · out of range	good
Mon 16:00	0.34 · good	2.70 · good	31.20 · out of range	good
Mon 17:00	0.34 · good	7.79 · high	31.30 · out of range	fair
Mon 18:00	0.32 · good	3.99 · good	31.30 · out of range	good
Mon 19:00	0.30 · good	0.32 · good	31.40 · out of range	good
Mon 20:00	0.28 · good	1.10 · good	31.40 · out of range	good
Mon 21:00	0.26 · good	1.41 · good	31.40 · out of range	good
Mon 22:00	0.24 · good	1.62 · good	31.40 · out of range	good
Mon 23:00	0.24 · good	1.80 · good	31.40 · out of range	good
Tue 00:00	0.22 · good	1.90 · good	31.40 · out of range	poor
Tue 01:00	0.22 · good	1.41 · good	31.30 · out of range	poor
Tue 02:00	0.20 · good	3.16 · good	31.30 · out of range	poor
Tue 03:00	0.20 · good	3.32 · good	31.20 · out of range	poor
Tue 04:00	0.20 · good	4.16 · good	31.10 · out of range	poor
Tue 05:00	0.18 · good	4.46 · good	31.10 · out of range	poor
Tue 06:00	0.18 · good	4.72 · good	31.00 · out of range	poor
Tue 07:00	0.18 · good	5.30 · good	31.00 · out of range	poor
Tue 08:00	0.16 · good	5.16 · good	30.90 · out of range	poor
Tue 09:00	0.16 · good	4.88 · good	30.90 · out of range	poor
Tue 10:00	0.16 · good	4.95 · good	30.90 · out of range	poor
Tue 11:00	0.16 · good	5.38 · good	30.90 · out of range	good