SnorkelForecast.com

Nosy Be Snorkel Report Today

Madagascar · Updated Tue 04:16 (EAT) · Source: Snapshot · Showing fallback/stale data

The skinny

Go in the best window Report Wed 13:13

Nosy Be has a usable snorkeling window around Wed 14:00. The main thing to watch is darkness.

Score: 8.5/10

Best time: Wed 14:00

Main risk: Darkness

No useful morning window is showing yet.

Best afternoon signal: Wed 14:00 (Excellent). Peak afternoon wind is about 4.5 m/s.

Email me when it is good

Sunrise

06:09

Sunset

17:37

Water

27.7°C

Max air

27.0°C

Sky

Clear

1% cloud

Good window is available today

Next safe window: Wed 11:00–14:00 (37% of next 72h are suitable)

3-day planner Best available Show data

3-day planner

Wednesday

✅ excellent conditions

Main blocker: Tide/current

Thursday

✅ excellent conditions

Main blocker: Darkness

Friday

❌ poor conditions

Main blocker: Darkness

Best available hours

Next safe window starts at Wed 11:00 until 14:00.

Why this verdict

Main blockers across the next 72 hours:

  • Darkness (26 hours)
  • Waves (11 hours)
  • Tide/current (11 hours)

Jellyfish drift risk

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

Low · 29/100

Low peak drift risk around Wed 18:00.

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

Wed 18:00, Thu 07:00, Thu 20:00

Nearby alternatives in Madagascar

No nearby alternatives available.

Advanced forecast data

Viewing historical data

Sun 10:00 – Wed 10:00 (EAT)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.67 around Mon 08:00; 11 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.

3/24 sampled hours stay at or below 0.36m (range 0.32m to 0.52m).

Wind is at or below 5.4m/s in 13/24 sampled hours (range 0.4 to 14.7m/s).

Tides range from -0.7m to 1.75m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
good 🌟 Good
good 🌟 Good
good 🌟 Good
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
good 🌟 Good
good 🌟 Good
good 🌟 Good
fair ⚠️ Fair
fair ⚠️ Fair
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
good 🌟 Good
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
good 🌟 Good
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
Sun 10:00 0.32 · good 7.90 · high 27.90 · good fair
Sun 11:00 0.34 · good 11.50 · high 27.90 · good fair
Sun 12:00 0.36 · good 13.50 · high 28.00 · good fair
Sun 13:00 0.40 · high 14.70 · high 28.00 · good fair
Sun 14:00 0.42 · high 13.00 · high 28.00 · good fair
Sun 15:00 0.46 · high 10.50 · high 28.00 · good poor
Sun 16:00 0.46 · high 10.80 · high 27.90 · good poor
Sun 17:00 0.48 · high 5.60 · high 27.90 · good poor
Sun 18:00 0.48 · high 4.60 · good 27.90 · good poor
Sun 19:00 0.48 · high 5.70 · high 27.90 · good poor
Sun 20:00 0.48 · high 3.60 · good 27.80 · good poor
Sun 21:00 0.48 · high 0.40 · good 27.80 · good poor
Sun 22:00 0.48 · high 3.30 · good 27.80 · good poor
Sun 23:00 0.50 · high 4.00 · good 27.80 · good poor
Mon 00:00 0.50 · high 3.60 · good 27.80 · good poor
Mon 01:00 0.50 · high 3.10 · good 27.80 · good poor
Mon 02:00 0.52 · high 3.90 · good 27.80 · good poor
Mon 03:00 0.52 · high 3.60 · good 27.70 · good poor
Mon 04:00 0.52 · high 4.70 · good 27.70 · good good
Mon 05:00 0.52 · high 1.50 · good 27.80 · good good
Mon 06:00 0.52 · high 1.80 · good 27.80 · good good
Mon 07:00 0.52 · high 3.60 · good 27.80 · good fair
Mon 08:00 0.50 · high 6.40 · high 27.90 · good fair
Mon 09:00 0.50 · high 8.80 · high 28.00 · good fair
Mon 10:00 0.46 · high 1.78 · good 27.80 · good good
Mon 11:00 0.46 · high 4.05 · good 27.90 · good good
Mon 12:00 0.46 · high 3.39 · good 27.90 · good good
Mon 13:00 0.46 · high 3.20 · good 27.90 · good fair
Mon 14:00 0.46 · high 3.38 · good 27.90 · good fair
Mon 15:00 0.46 · high 2.24 · good 27.90 · good poor
Mon 16:00 0.46 · high 1.67 · good 27.80 · good poor
Mon 17:00 0.46 · high 2.76 · good 27.80 · good poor
Mon 18:00 0.46 · high 2.42 · good 27.80 · good poor
Mon 19:00 0.44 · high 1.61 · good 27.80 · good poor
Mon 20:00 0.44 · high 0.81 · good 27.80 · good poor
Mon 21:00 0.42 · high 0.54 · good 27.70 · good poor
Mon 22:00 0.42 · high 0.11 · good 27.70 · good poor
Mon 23:00 0.40 · high 0.15 · good 27.70 · good poor
Tue 00:00 0.40 · high 0.29 · good 27.70 · good poor
Tue 01:00 0.40 · high 0.45 · good 27.70 · good poor
Tue 02:00 0.42 · high 0.80 · good 27.70 · good poor
Tue 03:00 0.42 · high 1.00 · good 27.70 · good poor
Tue 04:00 0.42 · high 1.72 · good 27.70 · good good
Tue 05:00 0.42 · high 1.49 · good 27.70 · good good
Tue 06:00 0.42 · high 1.10 · good 27.70 · good good
Tue 07:00 0.42 · high 1.03 · good 27.70 · good good
Tue 08:00 0.42 · high 1.81 · good 27.80 · good good
Tue 09:00 0.42 · high 1.91 · good 27.80 · good good
Tue 10:00 0.42 · high 2.39 · good 27.90 · good good
Tue 11:00 0.42 · high 3.00 · good 27.90 · good good
Tue 12:00 0.42 · high 4.23 · good 28.00 · good good
Tue 13:00 0.44 · high 4.12 · good 28.00 · good good
Tue 14:00 0.44 · high 2.70 · good 28.00 · good good
Tue 15:00 0.46 · high 0.74 · good 28.00 · good poor
Tue 16:00 0.44 · high 1.00 · good 27.90 · good poor
Tue 17:00 0.44 · high 0.32 · good 27.90 · good poor
Tue 18:00 0.42 · high 2.10 · good 27.90 · good poor
Tue 19:00 0.42 · high 2.04 · good 27.80 · good poor
Tue 20:00 0.42 · high 0.46 · good 27.80 · good poor
Tue 21:00 0.42 · high 0.94 · good 27.80 · good poor
Tue 22:00 0.44 · high 1.30 · good 27.70 · good poor
Tue 23:00 0.44 · high 1.43 · good 27.70 · good poor
Wed 00:00 0.46 · high 1.42 · good 27.70 · good poor
Wed 01:00 0.46 · high 1.30 · good 27.60 · good poor
Wed 02:00 0.44 · high 1.35 · good 27.60 · good poor
Wed 03:00 0.44 · high 0.92 · good 27.60 · good poor
Wed 04:00 0.42 · high 1.35 · good 27.60 · good good
Wed 05:00 0.42 · high 0.70 · good 27.60 · good excellent
Wed 06:00 0.40 · high 0.39 · good 27.60 · good excellent
Wed 07:00 0.38 · high 1.25 · good 27.60 · good excellent
Wed 08:00 0.38 · high 1.81 · good 27.70 · good good
Wed 09:00 0.36 · good 1.38 · good 27.70 · good good