SailCall

Should you sail in Auckland Waitematā?

NO-GO — Don't sail here today. Sailing score 25/100 · New Zealand. Dangerous wind for day sailing. Heavy rain windows. Better window tomorrow around 5:00 AM.

About sailing in Auckland Waitematā

Waitematā Harbour is the City of Sails' front yard—Hauraki Gulf passages, Rangitoto volcanic backdrop, and America's Cup heritage from Westhaven to Devonport. Gulf swells stay modest inside the harbour but chop builds on ebb.

Best time to sail

December through March austral summer for warm sailing; spring and autumn westerlies bring brisk racing conditions. Winter fronts are wet but uncrowded. Weekdays are usually quieter than weekends.

Sailing notes

Commercial shipping channels east of the harbour bridge are mandatory study. Tidal streams affect starts on cityfront courses. Gulf passages need reefing plans when westerlies oppose ebb at the Heads.

Wind and local conditions

Afternoon sea breeze often fills 15–18 knots from northeast in summer; land heating drives reliability. Southwest pre-frontal gales steepen Gulf seas quickly. Local acceleration off North Head surprises newcomers.

What SailCall covers

Wind, seas, rain, visibility, and pressure for today's coastal day sail, using WeatherAPI.com forecast and marine data. Wave outlook is included; tide times are not yet — check a local tide table before harbor entry. Not a chart plotter or passage planner.

Should I go sailing today?

Auckland Waitematā

NO-GO

Don't sail here today — dangerous wind for day sailing

25

Sailing score

Next 24 hours

Hourly sailing comfort at the harbor — today and tomorrow are local to the marina.

Best intervals: Tomorrow 5:00 AM – 1:00 PM

Boat type

Showing Keelboat wind thresholds

Tomorrow
NowTmr 5amTmr 11amTmr 5pmTmr 11pm
GoodFairPoor

Hover or tap an hour for details · Next 24 hours

Better window tomorrow around 5:00 AM

At harbor: Sun, Jul 5, 5:00 AM (New Zealand Standard Time)

The call

Not a good day to sail near Auckland Waitematā — dangerous wind for day sailing. Conditions may improve tomorrow morning.

Location

Auckland Waitematā, New Zealand

-36.8406°, 174.7645°Open in OpenStreetMap

Today's seas

No marine wave data for this point. Try searching closer to open water or a coastal waypoint. Offshore forecasts need a sea position, not an inland pin.

Conditions at a glance

What stood out in the forecast

Wind

Poor

16 kt · BF 4

Sustained to 16 kt · gusts to 32 kt · BF 7

Gusts near Beaufort 7 exceed comfortable day-sail limits for most crews. Consider postponing, or stay in protected water with a well-reefed rig and everyone in PFDs. Gusts hit hardest when leaving the lee of land or during squalls.

Rain

Poor

85%

1.4 mm total · 85% peak chance · 2 wet hour(s)

2 hour(s) with meaningful rain risk — expect reduced visibility, saturated decks, and slower reaction times. Full waterproof layers and clear eyewear help; consider delaying if comfort and sightlines matter for your route.

Air temperature

Good

15°C

Air 10–15°C · feels like 8–15°C

Comfortable air temperatures for deck work, but water temperature may still be much colder — a dip without proper gear can shock even on a warm day.

Visibility

Poor

1.0 nm

Lowest 1.0 nm · best 24 nm today

Sight distance down to about 1.0 nm — treat it like restricted visibility: slower speed, extra lookouts, sound signals where rules require, and AIS/radar if fitted. Ferry lanes and busy harbors deserve extra margin.

Barometric pressure

Poor

1022 hPa

1022 hPa ↓ falling (11 hPa change)

Pressure has dropped about 11 hPa — a common sign of an approaching front or low. Wind often strengthens and seas build over the next hours, sometimes before the sky looks dramatic. SailCall does not measure tidal or ocean currents; check tide tables for harbor streams. Wind against the tide can sharpen chop in narrow channels.

UV / sun

Good

UV 3.1

Moderate index — standard protection recommended. · peak near 13:00

Lower UV today, but reflection off water still adds exposure. Sunglasses and SPF remain cheap insurance on the water.

Why we said NO-GO

What pushed the score — how we score

  • Dangerous wind for day sailing

    High

    Sustained winds up to 16 kt with gusts to 32 kt today.

  • Heavy rain windows

    High

    1 hour(s) with high rain risk today — poor visibility and comfort.

  • Marine data unavailable

    High

    Wave forecast could not be loaded for this point. Try a location closer to open water.

  • Pressure falling

    High

    Barometer down ~12 hPa — fronts or stronger winds may follow.

How we decided

We score sailing conditions with fixed thresholds, so you can see why we picked go, caution, or no-go. Official charts, tide books, and your own judgment still run the show.

  • GO — sailing score ≥70 with no critical blockers
  • CAUTION — score 45–69, or manageable risks
  • NO-GO — score <45 or dangerous wind/seas/storms

Engine v1.1.19 · open_meteo marine + forecast · Evaluated Sat, Jul 4, 11:59 PM (New Zealand Standard Time) · limited marine data

What should I do?

What to do next

  • Better window tomorrow around 5:00 AM

    Conditions should improve around Tomorrow 5:00 AM (New Zealand Standard Time) — consider delaying departure until then.

    At harbor: Sun, Jul 5, 5:00 AM (New Zealand Standard Time)

  • Stay ashore today

    Wind or seas exceed comfortable day-sail limits for your boat and experience level.

  • Pack full wet-weather gear

    Rain in the forecast — stow charts and radios in dry bags; visibility drops quickly in squalls.

  • Watch the barometer

    Falling pressure often precedes stronger wind — recheck conditions before departure.

Day outlook

2-day · °C, kt, m, nm, mm

Today

Poor

15°C / 10°C

1.4 mm · 85% · 16 kt · BF 4

Not ideal: dangerous gusts (remaining hours).

Tomorrow

Poor

16°C / 12°C

5.7 mm · 100% · 18 kt · BF 5

Not ideal: dangerous gusts.

Forecast data from third-party providers.