Government Jetty tides
Today, Thursday, October 29, 2026 · local time (GMT+8) · West Australia, Australia- —
- 9:08 am0.8 ft
- Tide now
- 1.0 ft ↓ falling · low 9:08 am (0.8 ft)
- Coefficient
- 118 · big spring tides
- Range today
- 2.9 ft
Today there is low tide at 9:08 am. Tide coefficient 118. Right now the tide is falling toward the low tide at 9:08 am. In Government Jetty the tide is mixed, mainly diurnal: on many days there is only one high and one low tide. The next spring tides: from October 27 to 29.
Today's high and low tides
- ▼ Next low tide 9:08 am 0.8 ft
↓ Falling The tide is falling. 2 h 7 min to low tide at 9:08 am.
Tide coefficient for the day: 118. Big spring tides. The water rises and falls 2.9 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: the lowest astronomical tide (LAT), the zero of nautical charts in Europe. 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 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 5:09 am · 6:35 pm | Low tide 9:08 am · 0.8 ft | — | — | — | Coef. 118 | 88% | Major periods 1:12 am · 1:44 pm | Medium |
| Fri 30 | 5:08 am · 6:36 pm | High tide 12:09 am · 3.6 ft | Low tide 1:00 pm · 0.7 ft | — | — | Coef. 118 | 79% | Major periods 2:17 am · 2:49 pm | Medium |
| Sat 31 | 5:07 am · 6:37 pm | High tide 12:32 am · 3.4 ft | Low tide 1:56 pm · 0.6 ft | — | — | Coef. 115 | 69% | Major periods 3:21 am · 3:51 pm | Medium |
| Sun 1 | 5:06 am · 6:38 pm | High tide 12:32 am · 3.2 ft | Low tide 2:31 pm · 0.7 ft | — | — | Coef. 106 | 58% | Major periods 4:21 am · 4:49 pm | Medium |
| Mon 2 | 5:05 am · 6:39 pm | High tide 12:06 am · 2.9 ft | Low tide 2:57 pm · 0.9 ft | High tide 11:15 pm · 2.7 ft | — | Coef. 92 | Last quarter | Major periods 5:17 am · 5:43 pm | Medium |
| Tue 3 | 5:04 am · 6:40 pm | Low tide 3:03 am · 2.5 ft | High tide 7:12 am · 2.7 ft | Low tide 3:13 pm · 1.1 ft | High tide 10:26 pm · 2.7 ft | Coef. 66 | 36% | Major periods 6:07 am · 6:31 pm | Medium |
| Wed 4 | 5:03 am · 6:40 pm | Low tide 3:33 am · 2.2 ft | High tide 8:29 am · 2.6 ft | Low tide 3:18 pm · 1.4 ft | High tide 9:52 pm · 2.8 ft | Coef. 43 | 26% | Major periods 6:55 am · 7:17 pm | Low |
▲ high tide · ▼ low tide · heights above chart datum (LAT). 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 come from October 29 to 30 (coefficient 118, 2.9 ft range). The smallest, on October 9 (coefficient 20, 1.5 ft).
Type of tide
In Government Jetty the tide is mixed, mainly diurnal: on many days there is only one high and one low tide. Types of tides
2026 extremes: the highest tide of the year is on June 15 (4.5 ft) and the lowest, on December 24 (0.0 ft).
Reference levels
- Highest astronomical tide (HAT)4.5 ft
- Mean higher high water (MHHW)3.3 ft
- Mean high water (MHW)3.0 ft
- Mean sea level (MSL)2.3 ft
- Mean low water (MLW)1.5 ft
- Mean lower low water (MLLW)1.3 ft
- Lowest astronomical tide (LAT)0.0 ft
Heights above chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe.
Questions about the tides in Government Jetty
What time is high tide today in Government Jetty?
High tide today is at . Low tide is at 9:08 am.
What time is high tide tomorrow in Government Jetty?
On Friday, October 30, high tide at 12:09 am and low tide at 1:00 pm.
What is today's tide coefficient?
118: big spring tides. 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 Government Jetty?
The tide is mixed, mainly diurnal: on many days there is only one high and one low tide. Each high tide comes about 50 minutes later than the day before.
What are the heights measured from?
From chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe. 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 Government Jetty today
Tides near Government Jetty
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Emu Point station (Department of Transport (Western Australia)), 3.6 mi from Government Jetty. Times and heights are its predictions. Station data attribution: Department of Transport, Western Australia: Tide Stations (DOT-025), Emu Point (AEEMU01) water level observations of 2017–2018, https://catalogue.data.wa.gov.au/dataset/tide-stations. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: harmonic constants fitted by TidePlanet from these observations.