Mnemba Atoll Snorkel Report Today

Tanzania · Updated Sat 04:01 (EAT) · Source: Snapshot · Showing fallback/stale data

The skinny

Poor Report Tue 03:04

Mnemba Atoll does not show a clearly safe snorkeling window in the next 72 hours. Waves is the main forecast limiter.

Score: 0.0/10

Best time: -

Main risk: Waves

No useful morning window is showing yet.

No useful afternoon window is showing yet.

Sunrise

06:34

Sunset

18:23

Water

25.5°C

Max air

23.1°C

Sky

Partly cloudy

31% cloud

No safe window in the next 72 hours

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

3-day planner

Tuesday

poor conditions

Main blocker: Waves

Best available hours

No daylight-safe hour is available in the next 72 hours. Check the hourly table for details.

Why this verdict

Main blockers across the next 72 hours:

  • Waves (3 hours)
  • Tide/current (3 hours)
  • Darkness (3 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.

Nearby alternatives in Tanzania

Advanced forecast data

Viewing historical data

Thu 00:00 – Sun 00:00 (EAT)

Snorkel Score (selected 24h)

Best snorkel score is 0.3 around Thu 07:00; 0 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.

0/24 sampled hours stay at or below 0.36m (range 0.84m to 1.04m).

Wind is at or below 5.4m/s in 15/24 sampled hours (range 2.47 to 6.08m/s).

Tides range from -1.25m to 2.33m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
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fair ⚠️ Fair
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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
Thu 00:00 0.84 · high 4.19 · good 26.20 · good poor
Thu 01:00 0.84 · high 3.20 · good 26.20 · good poor
Thu 02:00 0.84 · high 2.47 · good 26.20 · good poor
Thu 03:00 0.84 · high 2.89 · good 26.20 · good poor
Thu 04:00 0.84 · high 3.30 · good 26.20 · good poor
Thu 05:00 0.84 · high 4.28 · good 26.20 · good poor
Thu 06:00 0.84 · high 4.63 · good 26.20 · good poor
Thu 07:00 0.84 · high 4.83 · good 26.30 · good poor
Thu 08:00 0.86 · high 4.55 · good 26.30 · good poor
Thu 09:00 0.86 · high 4.79 · good 26.30 · good poor
Thu 10:00 0.88 · high 5.57 · high 26.40 · good poor
Thu 11:00 0.90 · high 5.99 · high 26.40 · good poor
Thu 12:00 0.92 · high 6.03 · high 26.40 · good poor
Thu 13:00 0.96 · high 5.91 · high 26.40 · good poor
Thu 14:00 1.00 · high 5.75 · high 26.40 · good poor
Thu 15:00 1.04 · high 5.68 · high 26.40 · good poor
Thu 16:00 1.04 · high 6.00 · high 26.30 · good poor
Thu 17:00 1.04 · high 6.08 · high 26.30 · good poor
Thu 18:00 1.04 · high 5.85 · high 26.30 · good poor
Thu 19:00 1.04 · high 5.40 · good 26.30 · good poor
Thu 20:00 1.02 · high 5.27 · good 26.20 · good poor
Thu 21:00 1.02 · high 4.99 · good 26.20 · good poor
Thu 22:00 1.00 · high 4.70 · good 26.20 · good poor
Thu 23:00 1.00 · high 4.35 · good 26.20 · good poor
Fri 00:00 0.98 · high 4.50 · good 26.20 · good poor
Fri 01:00 0.98 · high 4.62 · good 26.20 · good poor
Fri 02:00 0.98 · high 4.34 · good 26.20 · good poor
Fri 03:00 0.98 · high 3.91 · good 26.20 · good poor
Fri 04:00 0.98 · high 3.56 · good 26.20 · good fair
Fri 05:00 0.96 · high 3.86 · good 26.20 · good fair
Fri 06:00 0.96 · high 4.41 · good 26.20 · good poor
Fri 07:00 0.96 · high 5.00 · good 26.30 · good poor
Fri 08:00 0.94 · high 5.31 · good 26.30 · good poor
Fri 09:00 0.94 · high 5.87 · high 26.30 · good poor
Fri 10:00 0.96 · high 6.28 · high 26.40 · good poor
Fri 11:00 0.96 · high 6.70 · high 26.40 · good poor
Fri 12:00 0.98 · high 6.65 · high 26.40 · good poor
Fri 13:00 1.00 · high 6.15 · high 26.40 · good poor
Fri 14:00 1.02 · high 5.99 · high 26.40 · good poor
Fri 15:00 1.04 · high 6.04 · high 26.40 · good poor
Fri 16:00 1.04 · high 5.77 · high 26.30 · good poor
Fri 17:00 1.02 · high 5.48 · high 26.30 · good poor
Fri 18:00 1.02 · high 4.92 · good 26.30 · good poor
Fri 19:00 1.00 · high 4.56 · good 26.30 · good poor
Fri 20:00 0.96 · high 4.56 · good 26.20 · good poor
Fri 21:00 0.94 · high 4.43 · good 26.20 · good poor
Fri 22:00 0.94 · high 4.03 · good 26.20 · good poor
Fri 23:00 0.92 · high 3.78 · good 26.20 · good poor
Sat 00:00 0.92 · high 3.98 · good 26.20 · good poor
Sat 01:00 0.92 · high 3.85 · good 26.20 · good poor
Sat 02:00 0.94 · high 3.32 · good 26.20 · good poor
Sat 03:00 0.94 · high 3.25 · good 26.20 · good poor
Sat 04:00 0.94 · high 3.53 · good 26.20 · good fair
Sat 05:00 0.78 · high 3.85 · good 24.80 · good poor
Sat 06:00 0.76 · high 4.25 · good 24.90 · good poor
Sat 07:00 0.76 · high 4.36 · good 24.90 · good poor
Sat 08:00 0.74 · high 4.31 · good 25.00 · good poor
Sat 09:00 0.74 · high 4.16 · good 25.10 · good poor
Sat 10:00 0.74 · high 4.60 · good 25.20 · good poor
Sat 11:00 0.72 · high 4.68 · good 25.20 · good poor
Sat 12:00 0.72 · high 4.33 · good 25.30 · good poor
Sat 13:00 0.76 · high 4.53 · good 25.30 · good poor
Sat 14:00 0.80 · high 5.52 · high 25.20 · good poor
Sat 15:00 0.84 · high 4.95 · good 25.20 · good poor
Sat 16:00 0.90 · high 5.25 · good 25.10 · good poor
Sat 17:00 0.98 · high 5.49 · high 25.10 · good poor
Sat 18:00 1.04 · high 5.14 · good 25.00 · good poor
Sat 19:00 1.04 · high 4.52 · good 25.00 · good poor
Sat 20:00 1.02 · high 4.47 · good 25.00 · good poor
Sat 21:00 1.02 · high 4.31 · good 25.00 · good poor
Sat 22:00 1.00 · high 4.50 · good 25.00 · good poor
Sat 23:00 0.96 · high 4.43 · good 25.00 · good poor