MARINE REPORT / 72 HOURS

Catalina Island Snorkel Report Today

USA · Updated Fri 20:27 (EDT) · Source: Snapshot

The skinny

Poor Data updated Fri 20:27 (EDT)

Catalina Island has no good model window later today. Check the three-day outlook and official beach advisories.

Right now (forecast)

Poor · 0.0/10

Fri 21:00 (EDT)

Later today

No fresh data for this period.

Next three days

Good · 5.7/10

Mon 17:00 (EDT)

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

Score: 0.0/10

Best time: -

Main risk: Waves

No useful morning window is showing yet.

No useful afternoon window is showing yet.

Email me when it is good

Sunrise

09:59

Sunset

21:17

Water

22.0°C

Max air

26.2°C

Sky

Clear

0% cloud

Good model window in the next 72 hours

Next good model window: Mon 16:00–18:00 (4% of the next 72h meets the model threshold)

3-day planner Best available Show data

3-day planner

Friday

❌ Poor conditions

Main blocker: Waves

Saturday

⚠️ Fair conditions

Main blocker: Waves

Sunday

⚠️ Fair conditions

Main blocker: Waves

Best available hours

The next good model window starts at Mon 16:00 and lasts until 18:00.

Why this verdict

Main blockers across the next 72 hours:

  • Waves (70 hours)
  • Tide/current (55 hours)
  • Darkness (41 hours)

Jellyfish drift risk

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

Low · 26/100

Low peak drift risk around Sat 05:00.

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

Sat 16:00, Sun 18:00

Nearby alternatives in USA

La Jolla Cove

122 km away

✅ Good

Crystal River

3429 km away

✅ Good

Dry Tortugas

3572 km away

✅ Good

Looe Key

3711 km away

✅ Good

Advanced forecast data

Viewing current forecast

Fri 21:00 – Mon 21:00 (EDT)

Previous day Yesterday

Snorkel Score (next 24h)

Best snorkel score is 0.48 around Sat 17:00; 6 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 0.72m to 0.86m).

Wind is at or below 5.4m/s in 22/24 sampled hours (range 2.25 to 6.26m/s).

Tides range from -0.23m to 0.79m; 1 of 24 hours are in or near peak slack windows.

72-hour forecast 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
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
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
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Good 🌟 Good
Good 🌟 Good
Good 🌟 Good
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
Fri 22:00 0.72 · high 2.56 · good 22.00 · good Poor
Fri 23:00 0.72 · high 2.50 · good 21.90 · good Poor
Sat 00:00 0.72 · high 2.25 · good 21.80 · good Poor
Sat 01:00 0.74 · high 3.94 · good 21.70 · good Poor
Sat 02:00 0.74 · high 4.32 · good 21.70 · good Poor
Sat 03:00 0.74 · high 4.30 · good 21.60 · good Poor
Sat 04:00 0.76 · high 4.70 · good 21.60 · good Poor
Sat 05:00 0.76 · high 5.36 · good 21.50 · good Poor
Sat 06:00 0.76 · high 5.35 · good 21.50 · good Poor
Sat 07:00 0.76 · high 5.31 · good 21.50 · good Poor
Sat 08:00 0.76 · high 5.70 · high 21.50 · good Poor
Sat 09:00 0.76 · high 5.24 · good 21.50 · good Poor
Sat 10:00 0.76 · high 3.89 · good 21.50 · good Poor
Sat 11:00 0.76 · high 6.26 · high 21.50 · good Poor
Sat 12:00 0.76 · high 5.02 · good 21.50 · good Poor
Sat 13:00 0.78 · high 3.05 · good 21.60 · good Poor
Sat 14:00 0.78 · high 2.26 · good 21.70 · good Fair
Sat 15:00 0.80 · high 3.01 · good 21.80 · good Fair
Sat 16:00 0.80 · high 2.60 · good 22.00 · good Fair
Sat 17:00 0.82 · high 2.27 · good 22.10 · good Fair
Sat 18:00 0.84 · high 3.52 · good 22.30 · good Fair
Sat 19:00 0.84 · high 4.34 · good 22.40 · good Fair
Sat 20:00 0.86 · high 5.00 · good 22.50 · good Poor
Sat 21:00 0.86 · high 4.70 · good 22.40 · good Poor
Sat 22:00 0.88 · high 4.18 · good 22.30 · good Poor
Sat 23:00 0.88 · high 3.57 · good 22.20 · good Poor
Sun 00:00 0.88 · high 3.30 · good 22.10 · good Poor
Sun 01:00 0.88 · high 3.40 · good 21.90 · good Poor
Sun 02:00 0.88 · high 3.42 · good 21.80 · good Poor
Sun 03:00 0.88 · high 3.45 · good 21.80 · good Poor
Sun 04:00 0.90 · high 2.57 · good 21.70 · good Poor
Sun 05:00 0.90 · high 2.60 · good 21.70 · good Poor
Sun 06:00 0.90 · high 2.86 · good 21.70 · good Poor
Sun 07:00 0.90 · high 3.38 · good 21.70 · good Poor
Sun 08:00 0.90 · high 2.38 · good 21.70 · good Poor
Sun 09:00 0.90 · high 1.20 · good 21.70 · good Poor
Sun 10:00 0.92 · high 0.76 · good 21.70 · good Fair
Sun 11:00 0.92 · high 1.78 · good 21.80 · good Fair
Sun 12:00 0.94 · high 1.99 · good 21.80 · good Fair
Sun 13:00 0.94 · high 1.82 · good 21.90 · good Fair
Sun 14:00 0.96 · high 2.62 · good 21.90 · good Fair
Sun 15:00 0.96 · high 3.62 · good 22.00 · good Fair
Sun 16:00 0.98 · high 3.95 · good 22.10 · good Fair
Sun 17:00 0.98 · high 4.46 · good 22.20 · good Fair
Sun 18:00 1.00 · high 4.98 · good 22.30 · good Fair
Sun 19:00 1.00 · high 4.49 · good 22.30 · good Fair
Sun 20:00 1.02 · high 4.30 · good 22.40 · good Poor
Sun 21:00 1.02 · high 4.11 · good 22.30 · good Poor
Sun 22:00 1.04 · high 4.21 · good 22.30 · good Poor
Sun 23:00 1.04 · high 4.50 · good 22.20 · good Poor
Mon 00:00 1.04 · high 4.52 · good 22.10 · good Poor
Mon 01:00 1.04 · high 4.14 · good 22.00 · good Poor
Mon 02:00 1.04 · high 3.20 · good 21.90 · good Poor
Mon 03:00 1.04 · high 2.15 · good 21.90 · good Poor
Mon 04:00 1.06 · high 1.97 · good 21.80 · good Poor
Mon 05:00 1.06 · high 2.42 · good 21.80 · good Poor
Mon 06:00 1.08 · high 2.01 · good 21.80 · good Poor
Mon 07:00 1.10 · high 1.58 · good 21.80 · good Poor
Mon 08:00 1.12 · high 1.21 · good 21.80 · good Poor
Mon 09:00 1.14 · high 1.20 · good 21.80 · good Poor
Mon 10:00 1.16 · high 1.43 · good 21.80 · good Poor
Mon 11:00 1.18 · high 1.52 · good 21.80 · good Fair
Mon 12:00 1.20 · high 1.66 · good 21.80 · good Fair
Mon 13:00 1.24 · high 1.51 · good 21.90 · good Fair
Mon 14:00 1.26 · high 1.40 · good 21.90 · good Fair
Mon 15:00 1.28 · high 1.73 · good 22.00 · good Fair
Mon 16:00 1.28 · high 1.50 · good 22.10 · good Good
Mon 17:00 1.30 · high 1.42 · good 22.20 · good Good
Mon 18:00 1.32 · high 2.01 · good 22.20 · good Good
Mon 19:00 1.32 · high 3.41 · good 22.30 · good Fair