MARINE REPORT / 72 HOURS

Fernando de Noronha Snorkel Report Today

Brazil · Updated Sun 10:05 (-02) · Source: Snapshot

The skinny

Marginal Data updated Sun 10:05 (-02)

Fernando de Noronha looks marginal today. The least-bad daylight window is around Sun 15:00, but waves is limiting the forecast.

Right now (forecast)

Fair · 3.8/10

Sun 13:00 (-02)

Later today

Fair · 3.9/10

Sun 15:00 (-02)

Next three days

Fair · 3.9/10

Sun 15:00 (-02)

Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.

Score: 3.9/10

Best time: Sun 15:00

Main risk: Waves

No useful morning window is showing yet.

Best afternoon signal: Sun 15:00 (Fair). Peak afternoon wind is about 6.3 m/s.

Email me when it is good

Sunrise

05:48

Sunset

18:00

Water

27.0°C

Max air

26.6°C

Sky

Clear

13% cloud

No good model 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

Sunday

⚠️ Fair conditions

Main blocker: Waves

Monday

❌ Poor conditions

Main blocker: Waves

Tuesday

⚠️ Fair conditions

Main blocker: Waves

Best available hours

  • Sun 15:00: Fair (0.39) · still limited by waves, wind
  • Sun 16:00: Fair (0.38) · still limited by waves, wind
  • Sun 14:00: Fair (0.38) · still limited by waves, wind

Why this verdict

Main blockers across the next 72 hours:

  • Waves (68 hours)
  • Wind (68 hours)
  • Tide/current (68 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: Tue 00:00

Mon 12:00, Tue 00:00, Tue 13:00, Wed 01:00

Nearby alternatives in Brazil

Arraial do Cabo

2363 km away

❌ Poor

Advanced forecast data

Viewing historical data

Mon 13:00 – Thu 13:00 (-02)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.36 around Mon 17:00; 3 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 1.78m to 1.84m).

Wind is at or below 5.4m/s in 0/24 sampled hours (range 7.05 to 8.52m/s).

Tides range from -0.54m to 0.69m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
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
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
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
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
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
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Poor ❌ Limited
Fair ⚠️ Fair
Fair ⚠️ Fair
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 is better in daylight, so night hours score lower.
Detailed hourly data table
Time Wave (m) Wind (m/s) Sea temp (°C) Status
Mon 13:00 1.84 · high 8.11 · high 26.80 · good Poor
Mon 14:00 1.82 · high 8.17 · high 26.90 · good Poor
Mon 15:00 1.82 · high 8.10 · high 26.90 · good Poor
Mon 16:00 1.80 · high 7.57 · high 26.90 · good Fair
Mon 17:00 1.80 · high 7.18 · high 26.90 · good Fair
Mon 18:00 1.80 · high 7.54 · high 26.90 · good Fair
Mon 19:00 1.80 · high 8.44 · high 26.80 · good Poor
Mon 20:00 1.80 · high 8.52 · high 26.80 · good Poor
Mon 21:00 1.82 · high 8.38 · high 26.80 · good Poor
Mon 22:00 1.82 · high 8.20 · high 26.80 · good Poor
Mon 23:00 1.80 · high 7.84 · high 26.80 · good Poor
Tue 00:00 1.80 · high 7.58 · high 26.80 · good Poor
Tue 01:00 1.78 · high 7.76 · high 26.80 · good Poor
Tue 02:00 1.78 · high 7.38 · high 26.80 · good Poor
Tue 03:00 1.78 · high 7.13 · high 26.80 · good Poor
Tue 04:00 1.78 · high 7.05 · high 26.80 · good Poor
Tue 05:00 1.78 · high 7.57 · high 26.80 · good Poor
Tue 06:00 1.78 · high 7.07 · high 26.80 · good Poor
Tue 07:00 1.78 · high 7.32 · high 26.80 · good Poor
Tue 08:00 1.78 · high 7.61 · high 26.80 · good Poor
Tue 09:00 1.80 · high 8.07 · high 26.80 · good Poor
Tue 10:00 1.80 · high 8.18 · high 26.80 · good Poor
Tue 11:00 1.82 · high 8.30 · high 26.80 · good Poor
Tue 12:00 1.82 · high 7.89 · high 26.80 · good Poor
Tue 13:00 1.84 · high 7.45 · high 26.90 · good Poor
Tue 14:00 1.90 · high 7.77 · high 26.90 · good Poor
Tue 15:00 1.92 · high 7.65 · high 27.00 · good Poor
Tue 16:00 1.92 · high 7.40 · high 27.00 · good Fair
Tue 17:00 1.92 · high 7.25 · high 27.00 · good Fair
Tue 18:00 1.90 · high 7.16 · high 26.90 · good Fair
Tue 19:00 1.90 · high 7.27 · high 26.90 · good Poor
Tue 20:00 1.90 · high 7.18 · high 26.90 · good Poor
Tue 21:00 1.88 · high 7.40 · high 26.80 · good Poor
Tue 22:00 1.88 · high 7.43 · high 26.80 · good Poor
Tue 23:00 1.86 · high 7.14 · high 26.80 · good Poor
Wed 00:00 1.86 · high 6.78 · high 26.80 · good Poor
Wed 01:00 1.84 · high 6.29 · high 26.80 · good Poor
Wed 02:00 1.84 · high 6.13 · high 26.80 · good Poor
Wed 03:00 1.82 · high 6.15 · high 26.80 · good Poor
Wed 04:00 1.82 · high 5.57 · high 26.80 · good Poor
Wed 05:00 1.82 · high 5.44 · high 26.80 · good Poor
Wed 06:00 1.80 · high 5.45 · high 26.80 · good Fair
Wed 07:00 1.80 · high 5.52 · high 26.80 · good Fair
Wed 08:00 1.80 · high 5.68 · high 26.80 · good Fair
Wed 09:00 1.76 · high 5.79 · high 26.80 · good Fair
Wed 10:00 1.76 · high 5.80 · high 26.80 · good Poor
Wed 11:00 1.76 · high 5.89 · high 26.90 · good Poor
Wed 12:00 1.76 · high 5.92 · high 26.90 · good Poor
Wed 13:00 1.76 · high 6.16 · high 27.00 · good Poor
Wed 14:00 1.78 · high 5.84 · high 27.00 · good Fair
Wed 15:00 1.78 · high 5.58 · high 27.10 · good Fair
Wed 16:00 1.76 · high 5.50 · high 27.10 · good Fair
Wed 17:00 1.74 · high 5.83 · high 27.10 · good Poor
Wed 18:00 1.72 · high 6.02 · high 27.00 · good Poor
Wed 19:00 1.70 · high 6.20 · high 27.00 · good Poor
Wed 20:00 1.70 · high 6.16 · high 26.90 · good Poor
Wed 21:00 1.68 · high 6.18 · high 26.90 · good Poor
Wed 22:00 1.68 · high 6.20 · high 26.90 · good Poor
Wed 23:00 1.66 · high 5.95 · high 26.90 · good Poor
Thu 00:00 1.66 · high 6.00 · high 26.80 · good Poor
Thu 01:00 1.64 · high 5.93 · high 26.80 · good Poor
Thu 02:00 1.64 · high 6.05 · high 26.80 · good Poor
Thu 03:00 1.64 · high 5.90 · high 26.80 · good Poor
Thu 04:00 1.64 · high 6.12 · high 26.80 · good Poor
Thu 05:00 1.64 · high 6.03 · high 26.80 · good Poor
Thu 06:00 1.62 · high 6.45 · high 26.80 · good Fair
Thu 07:00 1.62 · high 6.62 · high 26.80 · good Fair
Thu 08:00 1.62 · high 6.51 · high 26.80 · good Fair
Thu 09:00 1.62 · high 6.66 · high 26.80 · good Fair
Thu 10:00 1.62 · high 6.74 · high 26.80 · good Poor
Thu 11:00 1.62 · high 6.36 · high 26.90 · good Fair
Thu 12:00 1.60 · high 5.83 · high 26.90 · good Fair