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Seaforth Island Weather Forecast & Warnings (4800)

Plan your maritime activities with the latest seaforth island weather updates. Located within the Whitsunday Islands group off the North Queensland coast, this uninhabited national park island is subject to the dynamic conditions of the Coral Sea. Use our local data to monitor tomorrow's conditions before departing from the mainland.

Seaforth Island Current Weather Conditions

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Seaforth Island 7-Day Weather Forecast

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See how rainfall and temperatures across Australia — including Queensland — are tracking over the next three months, plus the ENSO, IOD and SAM drivers shaping the season ahead.

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Seaforth Island UV, Air Quality & Fire Danger

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Interactive Weather Map - Seaforth Island

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Frequently Asked Questions about Seaforth Island Weather

About Seaforth Island weather

Tropical Maritime Climate

Seaforth Island is situated in the tropical latitudes of North Queensland, specifically within the Whitsunday Passage. This geographical position ensures a climate defined by two distinct seasons: the humid wet season and the mild dry season. During the summer months, the region experiences high humidity and significant rainfall, often delivered via convective thunderstorms or monsoonal troughs. The surrounding waters of the Great Barrier Reef Marine Park influence local temperatures, providing a moderating effect that prevents the extreme heat found further inland.

Seasonal Wind Patterns

The prevailing wind patterns are a critical component of seaforth island weather. For much of the year, the South East Trade Winds dominate the region. These consistent breezes are generally strongest during the winter and autumn months, impacting sea states and visibility for those navigating the surrounding waters. In late spring and summer, winds often shift to the north or north-east, bringing warmer air and higher moisture levels before the arrival of afternoon sea breezes.

Severe Weather and Cyclones

As a coastal island in Central Queensland, Seaforth Island is located within the Australian tropical cyclone zone. The official cyclone season runs from November to April, during which time the risk of severe weather systems increases. These systems can bring damaging winds, heavy rainfall, and significant storm surges. Outside of the cyclone season, the primary weather risks involve sudden squalls during the summer months and occasional strong wind warnings that can develop rapidly across the open reaches of the Whitsunday Passage.

Seaforth Island weather: frequently asked questions

When is the best time to visit Seaforth Island based on weather?

The most stable weather conditions for Seaforth Island typically occur between June and September. During this period, the North Queensland climate enters its dry season, characterized by lower humidity, minimal rainfall, and mild daytime temperatures. While the South East Trade Winds are persistent during these months, they provide clear skies and excellent visibility for marine activities. Visitors should be aware that while the days are warm, evening temperatures can feel cooler due to the maritime influence.

Does Seaforth Island experience tropical cyclones?

Seaforth Island is located in a region of Queensland that is susceptible to tropical cyclones. The risk is highest during the summer and autumn months, specifically from November through to April. These weather systems are monitored closely by the Bureau of Meteorology, as they can cause significant disruptions to travel and safety in the Whitsunday region. Anyone planning to be near the island during this window should regularly check for tropical cyclone outlooks and coastal hazard warnings.

What is the typical rainfall pattern for Seaforth Island?

Rainfall on Seaforth Island is highly seasonal. The majority of the annual precipitation falls during the first few months of the year, often associated with the Australian monsoon or tropical lows. These heavy downpours are frequently short-lived but intense, often occurring in the late afternoon or overnight. During the winter months, rainfall is infrequent, usually appearing as light coastal showers driven by the trade winds rather than sustained storm activity.

How do the trade winds affect conditions at Seaforth Island?

The South East Trade Winds are a defining feature of the local weather. These winds can blow consistently for weeks at a time, particularly during the middle of the year. For those on the water, these winds create a chop in the Whitsunday Passage that requires careful navigation. The island's topography provides some protection on its leeward side, but wind gusts can still be significant during periods of high pressure in the Tasman Sea which strengthens the pressure gradient along the Queensland coast.

Weather Near Me in Seaforth Island

Looking for weather near Seaforth Island? You're viewing the local weather forecast for Seaforth Island, Queensland. The Seaforth Island region experiences Queensland's characteristic subtropical to tropical climate, with warm conditions year-round.

Local Weather Information

  • • Real-time observations for Seaforth Island and surrounds
  • • Hourly and 14-day forecasts
  • • Severe weather warnings for Queensland
  • • UV index and fire danger ratings

Local Weather Patterns

Expect warm to hot conditions with summer storms. The Seaforth Island area typically sees afternoon thunderstorms in the warmer months.

This page provides accurate weather forecasts for anyone searching for "weather near me" in the Seaforth Island area. Our data is updated every 10 minutes using the latest meteorological models for Queensland, Australia.

Spring Weather Tips for Seaforth Island

Sept 2026
Building heat and humidity
Storm season beginning
Coral spawning on GBR

Variable Weather

Spring weather is unpredictable - check forecasts frequently and be prepared for changes

Storm Season

Severe thunderstorm season begins - be aware of storm warnings and have a plan

Allergy Season

Pollen levels peak in spring - check pollen forecasts if you suffer from allergies

Rising UV Levels

UV levels increase rapidly in spring - start using sun protection earlier in the day

Spring in Australia

  • Wildflower season across Western Australia
  • Severe storm season from September
  • Daylight saving begins in most states
  • Bushfire season preparations should begin
Complete Spring Weather Guide

Weather Articles & Guides

Popular in QLD

About Seaforth Island Weather

Seaforth Island (4800) is located in Queensland, Australia at coordinates -20.4692°S, 149.0356°E.

This page provides comprehensive weather information for Seaforth Island 4800 including current conditions, 7-day forecasts, tide times, and active severe weather warnings for the Seaforth Island region. Weather data is sourced from Open-Meteo and the Australian Bureau of Meteorology, updated automatically.

Data Attribution & Sources

Weather data on this page is sourced from Open-Meteo (current observations and 7-day forecasts) and the Australian Bureau of Meteorology(severe weather warnings, UV index, and fire danger ratings). Open-Meteo provides high-resolution weather data using multiple global forecast models including ECMWF, GFS, and regional Australian models.

Current weather observations and forecast data are updated automatically multiple times daily as new meteorological models are processed. Severe weather warnings are synchronized in real-time as the Bureau of Meteorology issues or updates alerts for the Seaforth Island region.

Tide predictions are provided by WorldTides API using official tidal constituents and harmonic analysis for the Seaforth Island area. Fishing times are derived from solunar theory, tidal patterns, and lunar phases to predict optimal fish feeding periods.