SnorkelForecast.com

Catalina Island Snorkel Report Today

USA · Updated Tue 04:14 (EDT) · Source: Snapshot

The skinny

Go in the best window Report Wed 00:11

Catalina Island has a usable snorkeling window around Thu 09:00. The main thing to watch is waves.

Score: 4.4/10

Best time: Thu 09:00

Main risk: Waves

Best morning signal: Wed 11:00 (Fair).

Best afternoon signal: Wed 12:00 (Fair). Peak afternoon wind is about 8.7 m/s.

Email me when it is good

Sunrise

08:59

Sunset

23:00

Water

22.0°C

Max air

22.0°C

Sky

Clear

0% cloud

Good window is available today

Next safe window: Thu 13:00–15:00 (6% of next 72h are suitable)

3-day planner Best available Show data

3-day planner

Wednesday

⚠️ fair conditions

Main blocker: Waves

Thursday

✅ good conditions

Main blocker: Waves

Best available hours

Next safe window starts at Thu 13:00 until 15:00.

Why this verdict

Main blockers across the next 72 hours:

  • Waves (47 hours)
  • Wind (29 hours)
  • Tide/current (25 hours)

Jellyfish drift risk

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

Low · 23/100

Low peak drift risk around Wed 13:00.

water is warm enough for occasional jellyfish; 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

Thu 00:00, Thu 14:00

Nearby alternatives in USA

La Jolla Cove

122 km away

❌ Poor

Crystal River

3429 km away

✅ Good

Dry Tortugas

3572 km away

❌ Poor

Looe Key

3711 km away

❌ Poor

Advanced forecast data

Viewing historical data

Thu 04:00 – Sun 04:00 (EDT)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.54 around Thu 19:00; 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.

0/24 sampled hours stay at or below 0.36m (range 1.1m to 1.48m).

Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.2 to 3.56m/s).

Tides range from -0.38m to 1.08m; 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
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
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
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
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
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
fair ⚠️ Fair
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
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 04:00 1.34 · high 2.33 · good 20.50 · out of range poor
Thu 05:00 1.34 · high 2.30 · good 20.50 · out of range poor
Thu 06:00 1.36 · high 1.75 · good 20.40 · out of range poor
Thu 07:00 1.36 · high 1.94 · good 20.40 · out of range poor
Thu 08:00 1.36 · high 3.56 · good 20.30 · out of range poor
Thu 09:00 1.48 · high 1.96 · good 20.10 · out of range poor
Thu 10:00 1.46 · high 0.20 · good 20.10 · out of range poor
Thu 11:00 1.46 · high 0.86 · good 20.10 · out of range poor
Thu 12:00 1.44 · high 1.50 · good 20.10 · out of range poor
Thu 13:00 1.42 · high 1.20 · good 20.20 · out of range fair
Thu 14:00 1.38 · high 1.27 · good 20.20 · out of range fair
Thu 15:00 1.36 · high 1.34 · good 20.30 · out of range fair
Thu 16:00 1.34 · high 0.32 · good 20.30 · out of range fair
Thu 17:00 1.32 · high 0.64 · good 20.40 · out of range fair
Thu 18:00 1.30 · high 0.98 · good 20.60 · good fair
Thu 19:00 1.28 · high 1.12 · good 20.80 · good fair
Thu 20:00 1.26 · high 1.70 · good 21.00 · good fair
Thu 21:00 1.24 · high 1.87 · good 21.30 · good fair
Thu 22:00 1.22 · high 1.79 · good 21.60 · good fair
Thu 23:00 1.18 · high 1.53 · good 21.80 · good fair
Fri 00:00 1.16 · high 1.34 · good 21.90 · good poor
Fri 01:00 1.14 · high 1.08 · good 21.90 · good poor
Fri 02:00 1.12 · high 0.71 · good 21.80 · good poor
Fri 03:00 1.10 · high 0.73 · good 21.60 · good poor
Fri 04:00 1.08 · high 1.20 · good 21.40 · good poor
Fri 05:00 1.08 · high 1.71 · good 21.30 · good poor
Fri 06:00 1.06 · high 1.92 · good 21.10 · good poor
Fri 07:00 1.06 · high 2.20 · good 21.00 · good poor
Fri 08:00 1.06 · high 2.06 · good 21.00 · good poor
Fri 09:00 1.06 · high 2.98 · good 20.90 · good poor
Fri 10:00 1.06 · high 3.42 · good 20.80 · good poor
Fri 11:00 1.04 · high 3.23 · good 20.80 · good poor
Fri 12:00 1.04 · high 3.01 · good 20.80 · good poor
Fri 13:00 1.04 · high 2.48 · good 20.80 · good fair
Fri 14:00 1.04 · high 2.95 · good 20.70 · good fair
Fri 15:00 1.04 · high 4.39 · good 20.70 · good fair
Fri 16:00 1.02 · high 4.31 · good 20.70 · good fair
Fri 17:00 1.02 · high 3.45 · good 20.80 · good fair
Fri 18:00 1.00 · high 4.25 · good 20.80 · good fair
Fri 19:00 0.98 · high 2.73 · good 20.90 · good fair
Fri 20:00 0.98 · high 1.50 · good 21.00 · good fair
Fri 21:00 0.96 · high 1.60 · good 21.20 · good fair
Fri 22:00 0.94 · high 2.47 · good 21.30 · good fair
Fri 23:00 0.94 · high 2.93 · good 21.40 · good fair
Sat 00:00 0.92 · high 2.01 · good 21.50 · good poor
Sat 01:00 0.90 · high 2.00 · good 21.50 · good poor
Sat 02:00 0.90 · high 1.46 · good 21.40 · good poor
Sat 03:00 0.88 · high 0.78 · good 21.40 · good poor
Sat 04:00 0.88 · high 1.09 · good 21.30 · good poor
Sat 05:00 0.86 · high 1.37 · good 21.20 · good poor
Sat 06:00 0.86 · high 1.81 · good 21.10 · good poor
Sat 07:00 0.86 · high 2.36 · good 21.10 · good poor
Sat 08:00 0.86 · high 2.95 · good 21.10 · good poor
Sat 09:00 0.86 · high 2.06 · good 21.00 · good poor
Sat 10:00 0.86 · high 2.22 · good 21.00 · good poor
Sat 11:00 0.86 · high 3.00 · good 21.00 · good poor
Sat 12:00 0.86 · high 2.14 · good 21.00 · good poor
Sat 13:00 0.86 · high 2.66 · good 21.00 · good poor
Sat 14:00 0.88 · high 3.55 · good 21.00 · good poor
Sat 15:00 0.88 · high 3.64 · good 20.90 · good poor
Sat 16:00 0.88 · high 3.69 · good 20.90 · good fair
Sat 17:00 0.90 · high 4.14 · good 21.00 · good poor
Sat 18:00 0.90 · high 3.74 · good 21.00 · good poor
Sat 19:00 0.88 · high 4.18 · good 21.00 · good poor
Sat 20:00 0.88 · high 4.10 · good 21.10 · good poor
Sat 21:00 0.86 · high 3.70 · good 21.10 · good poor
Sat 22:00 0.84 · high 2.42 · good 21.20 · good poor
Sat 23:00 0.84 · high 2.78 · good 21.30 · good poor
Sun 00:00 0.82 · high 3.91 · good 21.30 · good poor
Sun 01:00 0.80 · high 2.30 · good 21.30 · good poor
Sun 02:00 0.80 · high 1.86 · good 21.20 · good poor
Sun 03:00 0.78 · high 2.06 · good 21.20 · good poor