MARINE REPORT / 72 HOURS

Hikkaduwa Snorkel Report Today

Sri Lanka · Updated Sun 07:37 (+0530) · Source: Snapshot

The skinny

Marginal Data updated Sun 07:37 (+0530)

Hikkaduwa looks marginal today. The least-bad daylight window is around Sun 17:30, but waves is limiting the forecast.

Right now (forecast)

Fair · 4.5/10

Sun 08:30 (+0530)

Later today

Fair · 4.9/10

Sun 17:30 (+0530)

Next three days

Good · 5.8/10

Mon 07:30 (+0530)

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

Score: 4.9/10

Best time: Sun 17:30

Main risk: Waves

Best morning signal: Sun 09:30 (Fair).

Best afternoon signal: Sun 17:30 (Fair). Peak afternoon wind is about 2.5 m/s.

Email me when it is good

Sunrise

05:55

Sunset

17:53

Water

30.3°C

Max air

30.7°C

Sky

Cloudy

97% cloud

Good model window in the next 72 hours

Next good model window: Mon 06:30–07:30 (4% of the next 72h meets the model threshold)

3-day planner Best available Show data

3-day planner

Sunday

⚠️ Fair conditions

Main blocker: Waves

Monday

✅ Good conditions

Main blocker: Waves

Tuesday

✅ Good conditions

Main blocker: Waves

Best available hours

The next good model window starts at Mon 06:30 and lasts until 07:30.

Why this verdict

Main blockers across the next 72 hours:

  • Waves (70 hours)
  • Tide/current (41 hours)
  • Darkness (36 hours)

Jellyfish drift risk

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

Low · 29/100

Low peak drift risk around Mon 00:30.

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

Sun 16:30

Nearby alternatives in Sri Lanka

Pigeon Island

312 km away

✅ Good

Advanced forecast data

Viewing historical data

Sat 09:00 – Tue 09:00 (+0530)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.36 around Sun 06:30; 2 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 2.16m to 2.26m).

Wind is at or below 5.4m/s in 23/24 sampled hours (range 1.97 to 5.61m/s).

Tides range from 0.04m to 0.71m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
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
Poor ❌ Limited
Fair ⚠️ Fair
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
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
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
Fair ⚠️ Fair
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
Sat 09:30 2.20 · high 4.79 · good 28.10 · good Poor
Sat 10:30 2.24 · high 5.24 · good 28.10 · good Poor
Sat 11:30 2.26 · high 5.61 · high 28.10 · good Poor
Sat 12:30 2.24 · high 4.48 · good 28.10 · good Poor
Sat 13:30 2.22 · high 4.13 · good 28.10 · good Poor
Sat 14:30 2.20 · high 4.54 · good 28.10 · good Poor
Sat 15:30 2.22 · high 4.98 · good 28.10 · good Poor
Sat 16:30 2.18 · high 5.06 · good 28.30 · good Poor
Sat 17:30 2.18 · high 3.82 · good 28.30 · good Poor
Sat 18:30 2.16 · high 3.75 · good 28.30 · good Poor
Sat 19:30 2.16 · high 4.10 · good 28.20 · good Poor
Sat 20:30 2.16 · high 2.52 · good 28.20 · good Poor
Sat 21:30 2.18 · high 2.60 · good 28.20 · good Poor
Sat 22:30 2.18 · high 1.97 · good 28.10 · good Poor
Sat 23:30 2.20 · high 3.05 · good 28.10 · good Poor
Sun 00:30 2.20 · high 4.24 · good 28.10 · good Poor
Sun 01:30 2.20 · high 3.20 · good 28.10 · good Poor
Sun 02:30 2.20 · high 3.15 · good 28.10 · good Poor
Sun 03:30 2.20 · high 3.13 · good 28.10 · good Poor
Sun 04:30 2.18 · high 2.23 · good 28.10 · good Poor
Sun 05:30 2.18 · high 2.59 · good 28.10 · good Poor
Sun 06:30 2.18 · high 2.40 · good 28.10 · good Fair
Sun 07:30 2.20 · high 2.67 · good 28.10 · good Fair
Sun 08:30 2.20 · high 3.50 · good 28.20 · good Poor
Sun 09:30 2.20 · high 2.86 · good 28.20 · good Fair
Sun 10:30 2.18 · high 4.11 · good 28.20 · good Poor
Sun 11:30 2.18 · high 4.87 · good 28.30 · good Poor
Sun 12:30 2.14 · high 4.32 · good 28.30 · good Poor
Sun 13:30 2.12 · high 3.67 · good 28.30 · good Poor
Sun 14:30 2.08 · high 4.49 · good 28.40 · good Poor
Sun 15:30 2.06 · high 2.27 · good 28.40 · good Fair
Sun 16:30 2.06 · high 1.00 · good 28.40 · good Fair
Sun 17:30 2.06 · high 4.03 · good 28.40 · good Poor
Sun 18:30 2.06 · high 3.35 · good 28.40 · good Poor
Sun 19:30 2.04 · high 2.75 · good 28.40 · good Poor
Sun 20:30 2.02 · high 2.93 · good 28.30 · good Poor
Sun 21:30 2.02 · high 2.86 · good 28.30 · good Poor
Sun 22:30 2.00 · high 2.11 · good 28.30 · good Poor
Sun 23:30 2.00 · high 2.44 · good 28.30 · good Poor
Mon 00:30 1.98 · high 1.53 · good 28.30 · good Poor
Mon 01:30 1.98 · high 1.04 · good 28.20 · good Poor
Mon 02:30 1.96 · high 1.75 · good 28.20 · good Poor
Mon 03:30 1.96 · high 1.70 · good 28.20 · good Poor
Mon 04:30 1.94 · high 1.05 · good 28.20 · good Poor
Mon 05:30 1.94 · high 1.30 · good 28.20 · good Poor
Mon 06:30 1.92 · high 1.55 · good 28.20 · good Fair
Mon 07:30 1.90 · high 1.75 · good 28.20 · good Fair
Mon 08:30 1.88 · high 1.45 · good 28.30 · good Fair
Mon 09:30 1.88 · high 2.64 · good 28.30 · good Fair
Mon 10:30 1.86 · high 3.54 · good 28.30 · good Poor
Mon 11:30 1.86 · high 3.36 · good 28.40 · good Fair
Mon 12:30 1.84 · high 4.15 · good 28.40 · good Poor
Mon 13:30 1.84 · high 3.58 · good 28.40 · good Poor
Mon 14:30 1.82 · high 3.04 · good 28.40 · good Poor
Mon 15:30 1.80 · high 2.10 · good 28.50 · good Fair
Mon 16:30 1.80 · high 1.59 · good 28.40 · good Fair
Mon 17:30 1.80 · high 2.02 · good 28.40 · good Fair
Mon 18:30 1.78 · high 0.94 · good 28.40 · good Poor
Mon 19:30 1.78 · high 1.26 · good 28.40 · good Poor
Mon 20:30 1.76 · high 2.10 · good 28.30 · good Poor
Mon 21:30 1.76 · high 1.55 · good 28.30 · good Poor
Mon 22:30 1.74 · high 0.60 · good 28.30 · good Poor
Mon 23:30 1.74 · high 1.05 · good 28.30 · good Poor
Tue 00:30 1.72 · high 0.70 · good 28.30 · good Poor
Tue 01:30 1.70 · high 0.61 · good 28.20 · good Poor
Tue 02:30 1.68 · high 0.55 · good 28.20 · good Poor
Tue 03:30 1.68 · high 1.60 · good 28.20 · good Poor
Tue 04:30 1.66 · high 2.90 · good 28.20 · good Poor
Tue 05:30 1.66 · high 2.29 · good 28.20 · good Poor
Tue 06:30 1.66 · high 1.25 · good 28.30 · good Fair
Tue 07:30 1.64 · high 1.36 · good 28.30 · good Fair
Tue 08:30 1.64 · high 2.52 · good 28.40 · good Fair