MARINE REPORT / 72 HOURS

Goat Island Snorkel Report Today

New Zealand · Updated Sun 15:08 (NZDT) · Source: Snapshot

The skinny

Marginal Data updated Sun 15:08 (NZDT)

Goat Island looks marginal today. The least-bad daylight window is around Sun 17:00, but waves is limiting the forecast.

Right now (forecast)

Fair · 4.6/10

Sun 16:00 (NZDT)

Later today

Fair · 5.0/10

Sun 17:00 (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: 5.0/10

Best time: Sun 17:00

Main risk: Waves

No useful morning window is showing yet.

Best afternoon signal: Sun 17:00 (Fair). Peak afternoon wind is about 4.5 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

17.8°C

Sky

Clear

9% cloud

Good model window in the next 72 hours

Next good model window: Mon 19:00 (11% 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: Sea temperature

Tuesday

✅ Excellent conditions

Main blocker: Sea temperature

Best available hours

The next good model window starts at Mon 19:00.

Why this verdict

Main blockers across the next 72 hours:

  • Sea temperature (70 hours)
  • Tide/current (60 hours)
  • Darkness (51 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

Wed 16:00 – Sat 16:00 (NZDT)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.51 around Thu 12:00; 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.

4/24 sampled hours stay at or below 0.36m (range 0.34m to 0.68m).

Wind is at or below 5.4m/s in 20/24 sampled hours (range 3.05 to 7.37m/s).

Tides range from -0.72m to 0.8m; 1 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
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
Poor ❌ Limited
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
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 is better in daylight, so night hours score lower.
Detailed hourly data table
Time Wave (m) Wind (m/s) Sea temp (°C) Status
Wed 16:00 0.68 · high 7.37 · high 15.30 · out of range Poor
Wed 17:00 0.68 · high 7.29 · high 15.30 · out of range Poor
Wed 18:00 0.66 · high 6.76 · high 15.30 · out of range Poor
Wed 19:00 0.64 · high 5.81 · high 15.30 · out of range Poor
Wed 20:00 0.60 · high 5.37 · good 15.30 · out of range Poor
Wed 21:00 0.58 · high 5.20 · good 15.20 · out of range Poor
Wed 22:00 0.54 · high 5.30 · good 15.20 · out of range Poor
Wed 23:00 0.56 · high 5.01 · good 15.20 · out of range Poor
Thu 00:00 0.52 · high 4.72 · good 15.10 · out of range Poor
Thu 01:00 0.48 · high 4.02 · good 15.10 · out of range Poor
Thu 02:00 0.46 · high 3.15 · good 15.00 · out of range Poor
Thu 03:00 0.42 · high 3.05 · good 15.00 · out of range Poor
Thu 04:00 0.40 · high 3.67 · good 15.00 · out of range Poor
Thu 05:00 0.36 · good 3.51 · good 14.90 · out of range Poor
Thu 06:00 0.34 · good 3.43 · good 14.90 · out of range Poor
Thu 07:00 0.36 · good 3.63 · good 14.90 · out of range Poor
Thu 08:00 0.36 · good 3.67 · good 15.00 · out of range Poor
Thu 09:00 0.38 · high 3.95 · good 15.00 · out of range Poor
Thu 10:00 0.38 · high 3.88 · good 15.00 · out of range Poor
Thu 11:00 0.40 · high 3.92 · good 15.10 · out of range Poor
Thu 12:00 0.40 · high 4.24 · good 15.10 · out of range Fair
Thu 13:00 0.40 · high 4.81 · good 15.20 · out of range Fair
Thu 14:00 0.42 · high 4.67 · good 15.20 · out of range Fair
Thu 15:00 0.42 · high 4.27 · good 15.20 · out of range Fair
Thu 16:00 0.42 · high 4.96 · good 15.20 · out of range Fair
Thu 17:00 0.44 · high 5.04 · good 15.30 · out of range Fair
Thu 18:00 0.44 · high 4.37 · good 15.30 · out of range Fair
Thu 19:00 0.42 · high 3.83 · good 15.30 · out of range Poor
Thu 20:00 0.40 · high 3.08 · good 15.20 · out of range Poor
Thu 21:00 0.38 · high 2.53 · good 15.20 · out of range Poor
Thu 22:00 0.36 · good 2.33 · good 15.20 · out of range Poor
Thu 23:00 0.34 · good 2.25 · good 15.20 · out of range Poor
Fri 00:00 0.30 · good 1.67 · good 15.10 · out of range Poor
Fri 01:00 0.28 · good 2.48 · good 15.10 · out of range Poor
Fri 02:00 0.28 · good 2.72 · good 15.10 · out of range Poor
Fri 03:00 0.26 · good 2.67 · good 15.10 · out of range Poor
Fri 04:00 0.26 · good 2.94 · good 15.00 · out of range Poor
Fri 05:00 0.26 · good 2.96 · good 15.00 · out of range Poor
Fri 06:00 0.26 · good 2.80 · good 15.00 · out of range Poor
Fri 07:00 0.26 · good 3.26 · good 15.00 · out of range Poor
Fri 08:00 0.24 · good 3.18 · good 15.10 · out of range Poor
Fri 09:00 0.24 · good 3.87 · good 15.10 · out of range Poor
Fri 10:00 0.26 · good 4.40 · good 15.20 · out of range Poor
Fri 11:00 0.26 · good 4.31 · good 15.20 · out of range Poor
Fri 12:00 0.28 · good 4.65 · good 15.20 · out of range Fair
Fri 13:00 0.32 · good 5.20 · good 15.30 · out of range Fair
Fri 14:00 0.34 · good 5.25 · good 15.30 · out of range Fair
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