SnorkelForecast.com

Perhentian Islands Snorkel Report Today

Malaysia · Updated Sat 05:03 (+08) · Source: Snapshot

The skinny

Go in the best window Report Sun 04:23

Perhentian Islands has a usable snorkeling window around Sun 08:00. The main thing to watch is sea temperature.

Score: 8.3/10

Best time: Sun 08:00

Main risk: Sea Temperature

Best morning signal: Sun 11:00 (Excellent).

Best afternoon signal: Sun 12:00 (Excellent). Peak afternoon wind is about 3.6 m/s.

Email me when it is good

Sunrise

07:02

Sunset

19:28

Water

31.1°C

Max air

28.7°C

Sky

Partly cloudy

40% cloud

Good window is available today

Next safe window: Sun 00:00–11:00 (52% of next 72h are suitable)

3-day planner Best available Show data

3-day planner

Sunday

✅ excellent conditions

Main blocker: Sea temperature

Monday

✅ excellent conditions

Main blocker: Sea temperature

Tuesday

✅ excellent conditions

Main blocker: Sea temperature

Best available hours

Next safe window starts at Sun 00:00 until 11:00.

Why this verdict

Main blockers across the next 72 hours:

  • Sea temperature (56 hours)
  • Tide/current (29 hours)
  • Darkness (27 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: Sun 16:00

Sun 03:00, Sun 16:00, Mon 04:00

Nearby alternatives in Malaysia

Redang Island

34 km away

✅ Good

Langkawi

328 km away

✅ Good

Tioman Island

382 km away

✅ Good

Mabul

1771 km away

✅ Good

Advanced forecast data

Viewing live forecast

Sat 20:00 – Tue 20:00 (+08)

Previous day Yesterday

Snorkel Score (next 24h)

Best snorkel score is 0.83 around Sun 12:00; 12 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.

24/24 sampled hours stay at or below 0.36m (range 0.1m to 0.14m).

Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.2 to 4.07m/s).

Tides range from 0.24m to 1.36m; 2 of 24 hours are in or near peak slack windows.

72-hour forecast overview
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
good 🌟 Good
good 🌟 Good
good 🌟 Good
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
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
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
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 21:00 0.10 · good 0.87 · good 31.10 · out of range poor
Sat 22:00 0.10 · good 2.15 · good 31.10 · out of range poor
Sat 23:00 0.10 · good 0.20 · good 31.10 · out of range poor
Sun 00:00 0.10 · good 0.59 · good 31.10 · out of range good
Sun 01:00 0.10 · good 0.73 · good 31.20 · out of range good
Sun 02:00 0.12 · good 0.82 · good 31.30 · out of range good
Sun 03:00 0.12 · good 0.60 · good 31.50 · out of range excellent
Sun 04:00 0.12 · good 0.46 · good 31.60 · out of range excellent
Sun 05:00 0.12 · good 1.01 · good 31.70 · out of range excellent
Sun 06:00 0.12 · good 2.36 · good 31.80 · out of range excellent
Sun 07:00 0.12 · good 2.86 · good 31.90 · out of range excellent
Sun 08:00 0.12 · good 3.58 · good 31.90 · out of range excellent
Sun 09:00 0.12 · good 2.78 · good 31.80 · out of range excellent
Sun 10:00 0.12 · good 1.03 · good 31.80 · out of range excellent
Sun 11:00 0.14 · good 0.96 · good 31.80 · out of range excellent
Sun 12:00 0.14 · good 2.49 · good 31.70 · out of range poor
Sun 13:00 0.14 · good 3.03 · good 31.70 · out of range poor
Sun 14:00 0.12 · good 4.07 · good 31.60 · out of range poor
Sun 15:00 0.12 · good 3.81 · good 31.50 · out of range poor
Sun 16:00 0.12 · good 3.40 · good 31.40 · out of range poor
Sun 17:00 0.12 · good 2.14 · good 31.40 · out of range poor
Sun 18:00 0.12 · good 2.68 · good 31.30 · out of range poor
Sun 19:00 0.12 · good 3.02 · good 31.30 · out of range poor
Sun 20:00 0.12 · good 3.79 · good 31.30 · out of range poor
Sun 21:00 0.12 · good 2.35 · good 31.30 · out of range poor
Sun 22:00 0.12 · good 2.19 · good 31.30 · out of range poor
Sun 23:00 0.10 · good 2.46 · good 31.30 · out of range poor
Mon 00:00 0.10 · good 1.99 · good 31.30 · out of range excellent
Mon 01:00 0.10 · good 2.00 · good 31.40 · out of range excellent
Mon 02:00 0.10 · good 2.47 · good 31.50 · out of range excellent
Mon 03:00 0.10 · good 1.36 · good 31.60 · out of range excellent
Mon 04:00 0.10 · good 0.96 · good 31.70 · out of range excellent
Mon 05:00 0.10 · good 1.15 · good 31.70 · out of range good
Mon 06:00 0.10 · good 2.07 · good 31.80 · out of range good
Mon 07:00 0.10 · good 2.95 · good 31.80 · out of range good
Mon 08:00 0.10 · good 3.61 · good 31.80 · out of range good
Mon 09:00 0.10 · good 3.87 · good 31.70 · out of range good
Mon 10:00 0.10 · good 3.76 · good 31.70 · out of range good
Mon 11:00 0.12 · good 3.66 · good 31.70 · out of range good
Mon 12:00 0.12 · good 3.30 · good 31.60 · out of range poor
Mon 13:00 0.12 · good 3.25 · good 31.60 · out of range poor
Mon 14:00 0.12 · good 3.83 · good 31.60 · out of range poor
Mon 15:00 0.12 · good 3.70 · good 31.50 · out of range poor
Mon 16:00 0.12 · good 3.57 · good 31.50 · out of range poor
Mon 17:00 0.12 · good 2.84 · good 31.50 · out of range poor
Mon 18:00 0.12 · good 2.84 · good 31.50 · out of range poor
Mon 19:00 0.12 · good 2.20 · good 31.50 · out of range poor
Mon 20:00 0.12 · good 2.41 · good 31.40 · out of range poor
Mon 21:00 0.12 · good 2.69 · good 31.40 · out of range poor
Mon 22:00 0.12 · good 2.01 · good 31.40 · out of range poor
Mon 23:00 0.12 · good 1.81 · good 31.40 · out of range poor
Tue 00:00 0.12 · good 1.31 · good 31.40 · out of range excellent
Tue 01:00 0.12 · good 0.50 · good 31.50 · out of range excellent
Tue 02:00 0.14 · good 0.51 · good 31.60 · out of range excellent
Tue 03:00 0.14 · good 0.87 · good 31.80 · out of range excellent
Tue 04:00 0.14 · good 0.14 · good 31.90 · out of range excellent