MARINE REPORT / 72 HOURS

Goat Island Snorkel Report Today

New Zealand · Updated Sun 12:01 (NZDT) · Source: Snapshot

The skinny

Marginal Data updated Sun 12:01 (NZDT)

Goat Island looks marginal today. The least-bad daylight window is around Sun 16:00, but waves is limiting the forecast.

Right now (forecast)

Fair · 5.0/10

Sun 15:00 (NZDT)

Later today

Fair · 4.7/10

Sun 16:00 (NZDT)

Next three days

Excellent · 7.4/10

Tue 16:00 (NZDT)

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

Score: 4.7/10

Best time: Sun 16:00

Main risk: Waves

No useful morning window is showing yet.

Best afternoon signal: Sun 16:00 (Fair). Peak afternoon wind is about 5.1 m/s.

Email me when it is good

Planning Goat Island in January? Where to snorkel in January compares destinations and local seasonal cautions.

Sunrise

06:34

Sunset

19:39

Water

17.0°C

Max air

19.0°C

Sky

Clear

2% cloud

Good model window in the next 72 hours

Next good model window: Tue 13:00–19:00 (10% 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

⚠️ Fair conditions

Main blocker: Sea temperature

Tuesday

✅ Excellent conditions

Main blocker: Sea temperature

Best available hours

The next good model window starts at Tue 13:00 and lasts until 19:00.

Why this verdict

Main blockers across the next 72 hours:

  • Sea temperature (68 hours)
  • Tide/current (58 hours)
  • Darkness (50 hours)

Jellyfish drift risk

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

Low · 16/100

Low drift risk now.

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: Mon 01:00

Mon 01:00, Mon 14:00, Tue 02:00, Tue 15:00, Wed 03:00

Nearby alternatives in New Zealand

Poor Knights Islands

89 km away

❌ Poor

Cathedral Cove

108 km away

✅ Good

Bay of Islands

133 km away

✅ Good

Abel Tasman

536 km away

✅ Good

Advanced forecast data

Viewing historical data

Fri 15:00 – Mon 15:00 (NZDT)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.5 around Fri 18:00; 4 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.

12/24 sampled hours stay at or below 0.36m (range 0.26m to 0.62m).

Wind is at or below 5.4m/s in 14/24 sampled hours (range 3.05 to 7.93m/s).

Tides range from -0.81m to 0.98m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
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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 15:00 0.38 · high 5.52 · high 15.30 · out of range Fair
Fri 16:00 0.38 · high 5.76 · high 15.30 · out of range Fair
Fri 17:00 0.40 · high 5.42 · high 15.30 · out of range Fair
Fri 18:00 0.40 · high 4.26 · good 15.30 · out of range Fair
Fri 19:00 0.38 · high 3.34 · good 15.30 · out of range Poor
Fri 20:00 0.34 · good 3.20 · good 15.30 · out of range Poor
Fri 21:00 0.32 · good 3.24 · good 15.30 · out of range Poor
Fri 22:00 0.30 · good 3.21 · good 15.20 · out of range Poor
Fri 23:00 0.28 · good 3.26 · good 15.20 · out of range Poor
Sat 00:00 0.26 · good 3.24 · good 15.10 · out of range Poor
Sat 01:00 0.28 · good 3.05 · good 15.10 · out of range Poor
Sat 02:00 0.32 · good 4.05 · good 15.10 · out of range Poor
Sat 03:00 0.32 · good 4.19 · good 15.10 · out of range Poor
Sat 04:00 0.32 · good 4.16 · good 15.00 · out of range Poor
Sat 05:00 0.32 · good 3.97 · good 15.00 · out of range Poor
Sat 06:00 0.32 · good 4.48 · good 15.00 · out of range Poor
Sat 07:00 0.36 · good 4.77 · good 15.00 · out of range Poor
Sat 08:00 0.38 · high 5.90 · high 15.00 · out of range Poor
Sat 09:00 0.42 · high 6.84 · high 15.00 · out of range Poor
Sat 10:00 0.46 · high 7.57 · high 15.00 · out of range Poor
Sat 11:00 0.48 · high 6.79 · high 15.10 · out of range Poor
Sat 12:00 0.52 · high 7.74 · high 15.10 · out of range Poor
Sat 13:00 0.56 · high 7.81 · high 15.10 · out of range Poor
Sat 14:00 0.62 · high 7.93 · high 15.10 · out of range Poor
Sat 15:00 0.66 · high 8.73 · high 15.10 · out of range Poor
Sat 16:00 0.64 · high 8.46 · high 15.20 · out of range Poor
Sat 17:00 0.64 · high 7.58 · high 15.20 · out of range Poor
Sat 18:00 0.62 · high 7.02 · high 15.20 · out of range Poor
Sat 19:00 0.60 · high 6.52 · high 15.20 · out of range Poor
Sat 20:00 0.58 · high 5.79 · high 15.20 · out of range Poor
Sat 21:00 0.56 · high 5.98 · high 15.20 · out of range Poor
Sat 22:00 0.56 · high 6.29 · high 15.10 · out of range Poor
Sat 23:00 0.54 · high 6.89 · high 15.20 · out of range Poor
Sun 00:00 0.54 · high 7.30 · high 15.20 · out of range Poor
Sun 01:00 0.58 · high 8.36 · high 15.20 · out of range Poor
Sun 03:00 0.60 · high 8.17 · high 15.20 · out of range Poor
Sun 04:00 0.62 · high 8.20 · high 15.20 · out of range Poor
Sun 05:00 0.64 · high 8.10 · high 15.10 · out of range Poor
Sun 06:00 0.64 · high 8.15 · high 15.10 · out of range Poor
Sun 07:00 0.66 · high 8.31 · high 15.10 · out of range Poor
Sun 08:00 0.68 · high 8.32 · high 15.10 · out of range Poor
Sun 09:00 0.70 · high 8.21 · high 15.20 · out of range Poor
Sun 10:00 0.72 · high 9.56 · high 15.20 · out of range Poor
Sun 11:00 0.80 · high 10.66 · high 15.20 · out of range Poor
Sun 12:00 0.86 · high 10.76 · high 15.30 · out of range Poor
Sun 13:00 0.94 · high 10.35 · high 15.30 · out of range Poor
Sun 14:00 0.96 · high 9.97 · high 15.30 · out of range Poor
Sun 15:00 1.00 · high 10.77 · high 15.30 · out of range Poor
Sun 16:00 1.02 · high 10.93 · high 15.30 · out of range Poor
Sun 17:00 0.96 · high 10.39 · high 15.40 · out of range Poor
Sun 18:00 0.88 · high 9.54 · high 15.40 · out of range Poor
Sun 19:00 0.82 · high 9.10 · high 15.40 · out of range Poor
Sun 20:00 0.74 · high 6.20 · high 15.40 · out of range Poor
Sun 21:00 0.66 · high 6.73 · high 15.40 · out of range Poor
Sun 22:00 0.58 · high 6.37 · high 15.30 · out of range Poor
Sun 23:00 0.54 · high 6.05 · high 15.30 · out of range Poor
Mon 00:00 0.64 · high 5.84 · high 15.30 · out of range Poor
Mon 01:00 0.58 · high 4.78 · good 15.30 · out of range Poor
Mon 02:00 0.44 · high 3.88 · good 15.30 · out of range Poor
Mon 03:00 0.42 · high 3.88 · good 15.30 · out of range Poor
Mon 04:00 0.40 · high 3.94 · good 15.30 · out of range Poor
Mon 05:00 0.38 · high 3.86 · good 15.20 · out of range Poor
Mon 06:00 0.36 · good 3.77 · good 15.20 · out of range Poor
Mon 07:00 0.34 · good 3.18 · good 15.20 · out of range Poor
Mon 08:00 0.36 · good 3.29 · good 15.20 · out of range Poor
Mon 09:00 0.40 · high 3.15 · good 15.20 · out of range Poor
Mon 10:00 0.42 · high 5.79 · high 15.30 · out of range Poor
Mon 11:00 0.46 · high 6.35 · high 15.30 · out of range Poor
Mon 12:00 0.48 · high 6.57 · high 15.30 · out of range Poor
Mon 13:00 0.52 · high 6.54 · high 15.30 · out of range Poor
Mon 14:00 0.54 · high 6.88 · high 15.30 · out of range Poor