The Gurdies tides
Today, Friday, October 30, 2026 · local time (GMT+11) · Victoria, Australia- 4:38 am10.5 ft
- 4:27 pm8.8 ft
- 10:17 am3.0 ft
- 10:21 pm0.3 ft
- Tide now
- 3.6 ft ↑ rising · high 4:38 am (10.5 ft)
- Coefficient
- 93 · spring tides
- Range today
- 10.2 ft
Today there are high tides at 4:38 am (10.5 ft) and 4:27 pm (8.8 ft) and low tides at 10:17 am and 10:21 pm. Tide coefficient 93. Right now the tide is rising toward the high tide at 4:38 am. In The Gurdies the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from November 10 to 12.
Today's high and low tides
- ▲ Next high tide 4:38 am 10.5 ft · coef. 92
- ▼ Low tide 10:17 am 3.0 ft
- ▲ High tide 4:27 pm 8.8 ft · coef. 93
- ▼ Low tide 10:21 pm 0.3 ft
↑ Rising The tide is rising. 4 h 32 min to high tide at 4:38 am.
Tide coefficient 92 for the 4:38 am high tide and 93 for the 4:27 pm high tide. Spring tides. The water rises and falls 10.2 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, Fri 30 | 6:13 am · 7:51 pm | High tide 4:38 am · 10.5 ft | Low tide 10:17 am · 3.0 ft | High tide 4:27 pm · 8.8 ft | Low tide 10:21 pm · 0.3 ft | Coef. 93 | 80% | Major periods 3:22 am · 3:54 pm | Medium |
| Sat 31 | 6:11 am · 7:52 pm | High tide 5:26 am · 10.5 ft | Low tide 11:01 am · 2.9 ft | High tide 5:13 pm · 8.9 ft | Low tide 11:07 pm · 0.4 ft | Coef. 93 | 70% | Major periods 4:26 am · 4:56 pm | Medium |
| Sun 1 | 6:10 am · 7:53 pm | High tide 6:12 am · 10.2 ft | Low tide 11:44 am · 2.8 ft | High tide 6:00 pm · 8.7 ft | Low tide 11:53 pm · 0.7 ft | Coef. 90 | 59% | Major periods 5:26 am · 5:55 pm | Medium |
| Mon 2 | 6:09 am · 7:54 pm | High tide 6:58 am · 9.8 ft | Low tide 12:27 pm · 2.8 ft | High tide 6:49 pm · 8.5 ft | — | Coef. 85 | Last quarter | Major periods 6:22 am · 6:48 pm | Medium |
| Tue 3 | 6:08 am · 7:55 pm | Low tide 12:40 am · 1.2 ft | High tide 7:43 am · 9.4 ft | Low tide 1:14 pm · 2.8 ft | High tide 7:41 pm · 8.2 ft | Coef. 78 | 37% | Major periods 7:13 am · 7:37 pm | Medium |
| Wed 4 | 6:07 am · 7:56 pm | Low tide 1:30 am · 1.8 ft | High tide 8:29 am · 8.9 ft | Low tide 2:04 pm · 2.8 ft | High tide 8:42 pm · 8.0 ft | Coef. 70 | 27% | Major periods 8:01 am · 8:24 pm | Medium |
| Thu 5 | 6:06 am · 7:57 pm | Low tide 2:24 am · 2.5 ft | High tide 9:18 am · 8.5 ft | Low tide 3:01 pm · 2.8 ft | High tide 9:53 pm · 7.9 ft | Coef. 63 | 18% | Major periods 8:46 am · 9:08 pm | Medium |
▲ 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 30 to 31 (coefficient 93, 10.2 ft range). The smallest, from October 23 to 24 (coefficient 46, 4.6 ft).
Type of tide
In The Gurdies 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 May 20 (10.9 ft) and the lowest, on November 28 (0.3 ft).
Reference levels
- Highest astronomical tide (HAT)11.1 ft
- Mean higher high water (MHHW)9.2 ft
- Mean high water (MHW)8.8 ft
- Mean sea level (MSL)5.7 ft
- Mean low water (MLW)2.6 ft
- Mean lower low water (MLLW)1.9 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 The Gurdies
What time is high tide today in The Gurdies?
High tide today is at 4:38 am (10.5 ft) and 4:27 pm (8.8 ft). Low tide is at 10:17 am and 10:21 pm.
What time is high tide tomorrow in The Gurdies?
On Saturday, October 31, high tide at 5:26 am and 5:13 pm and low tide at 11:01 am and 11:07 pm.
What is today's tide coefficient?
93: 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 November 10 to 12, after the new or full moon.
How many tides a day are there in The Gurdies?
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: 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 The Gurdies today
Tides near The Gurdies
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
The Gurdies has no station of its own, so we use the tide at Western Port Stony Point (TICON-4), 18 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: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data