TidePlanet

Boyne Island tides

Today, Thursday, October 29, 2026 · local time (GMT+10) · Queensland, Australia
High tides
  • 10:57 am13.4 ft
  • 11:17 pm9.9 ft
Low tides
  • 4:25 am2.1 ft
  • 5:24 pm2.9 ft
Tide now
12.7 ft ↑ rising · high 10:57 am (13.4 ft)
Coefficient
80 · average coefficient
Range today
11.3 ft

Today there are high tides at 10:57 am (13.4 ft) and 11:17 pm (9.9 ft) and low tides at 4:25 am and 5:24 pm. Tide coefficient 80. Right now the tide is rising toward the high tide at 10:57 am. In Boyne Island the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from October 27 to 29.

Today's high and low tides

  • ▼ Low tide 4:25 am 2.1 ft
  • ▼ Low tide 5:24 pm 2.9 ft
  • ▲ High tide 11:17 pm 9.9 ft · coef. 75

↑ Rising The tide is rising. 1 h 2 min to high tide at 10:57 am.

Tide coefficient 80 for the 10:57 am high tide and 75 for the 11:17 pm high tide. Average coefficient. The water rises and falls 11.3 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?

Heights above chart datum (CD), the zero of that port's nautical charts. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation.

Tides for the next 7 days

Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Thu 29 5:10 am · 6:07 pm Low tide 4:25 am · 2.1 ft High tide 10:57 am · 13.4 ft Low tide 5:24 pm · 2.9 ft High tide 11:17 pm · 9.9 ft Coef. 80 88% Major periods 12:53 am · 1:25 pm Medium
Fri 30 5:10 am · 6:07 pm Low tide 5:11 am · 2.8 ft High tide 11:48 am · 12.9 ft Low tide 6:21 pm · 3.5 ft — Coef. 69 80% Major periods 1:57 am · 2:30 pm Medium
Sat 31 5:09 am · 6:08 pm High tide 12:15 am · 9.3 ft Low tide 6:06 am · 3.6 ft High tide 12:48 pm · 12.4 ft Low tide 7:29 pm · 4.0 ft Coef. 63 70% Major periods 3:01 am · 3:32 pm Medium
Sun 1 5:08 am · 6:08 pm High tide 1:29 am · 8.9 ft Low tide 7:18 am · 4.4 ft High tide 1:58 pm · 12.0 ft Low tide 8:51 pm · 4.2 ft Coef. 54 59% Major periods 4:02 am · 4:31 pm Medium
Mon 2 5:08 am · 6:09 pm High tide 3:02 am · 9.1 ft Low tide 8:50 am · 4.6 ft High tide 3:18 pm · 11.9 ft Low tide 10:10 pm · 3.7 ft Coef. 56 Last quarter Major periods 4:58 am · 5:24 pm Medium
Tue 3 5:07 am · 6:09 pm High tide 4:25 am · 9.8 ft Low tide 10:17 am · 4.2 ft High tide 4:32 pm · 12.1 ft Low tide 11:09 pm · 3.0 ft Coef. 66 37% Major periods 5:49 am · 6:14 pm Medium
Wed 4 5:07 am · 6:10 pm High tide 5:24 am · 10.8 ft Low tide 11:21 am · 3.6 ft High tide 5:30 pm · 12.3 ft Low tide 11:54 pm · 2.4 ft Coef. 76 27% Major periods 6:37 am · 7:00 pm Low

▲ high tide · ▼ low tide · heights above chart datum (CD). Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.

Tide coefficient and range in October

The biggest tides of the month came from October 8 to 10 (coefficient 99, 11.9 ft range). The smallest, on October 18 (coefficient 27, 4.2 ft).

What is the tide coefficient?

Type of tide

In Boyne Island the tide is mixed: two high and two low tides a day, but of quite different heights. Types of tides

2026 extremes: the highest tide of the year is on December 25 (15.1 ft) and the lowest, on August 13 (0.9 ft).

Reference levels

  • Highest astronomical tide (HAT)15.6 ft
  • Mean higher high water (MHHW)12.5 ft
  • Mean high water (MHW)11.7 ft
  • Mean sea level (MSL)7.6 ft
  • Mean low water (MLW)3.4 ft
  • Mean lower low water (MLLW)3.2 ft
  • Lowest astronomical tide (LAT)0.2 ft

Heights above chart datum (CD), the zero of that port's nautical charts.

Questions about the tides in Boyne Island

What time is high tide today in Boyne Island?

High tide today is at 10:57 am (13.4 ft) and 11:17 pm (9.9 ft). Low tide is at 4:25 am and 5:24 pm.

What time is high tide tomorrow in Boyne Island?

On Friday, October 30, high tide at 11:48 am and low tide at 5:11 am and 6:21 pm.

What is today's tide coefficient?

80: average coefficient. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides.

When are the next spring tides?

From October 27 to 29, after the new or full moon, with the moon near perigee, so they will be bigger than usual.

How many tides a day are there in Boyne Island?

The tide is mixed: two high and two low tides a day, but of quite different heights. Each high tide comes about 50 minutes later than the day before.

What are the heights measured from?

From chart datum (CD), the zero of that port's nautical charts. That is why a low tide can be negative: that day the water drops below that zero.

Can I use these tides for navigation?

No. They are astronomical predictions for planning fishing and outings; for navigation use official publications and nautical charts.

More about Boyne Island today

Tides near Boyne Island

Each place with its own tide station; next to it, the time of its first high tide today.

Learn more

Boyne Island has no station of its own, so we use the tide at South Trees (Maritime Safety Queensland), 7.0 mi away. On the open coast the difference is usually a few minutes and inches; inside estuaries, rivers and enclosed bays it can be much larger. Station data attribution: © State of Queensland (Department of Transport and Main Roads), Maritime Safety Queensland: South Trees tide gauge, archived interval recordings (2025), https://www.data.qld.gov.au/dataset/south-trees-tide-gauge-archived-interval-recordings. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: harmonic constants fitted by TidePlanet from the measured sea levels of 2025.

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