Castlemaine tides

Today, Wednesday, October 28, 2026 · local time (GMT) · Kerry, Ireland

High tides

5:37 am16.7 ft
6:01 pm16.0 ft

Low tides

11:44 am1.7 ft
11:57 pm2.2 ft

Tide now: 3.3 ft ↓ falling · low 11:57 pm (2.2 ft)
Coefficient: 101 · big spring tides
Range today: 14.9 ft

Today there are high tides at 5:37 am (16.7 ft) and 6:01 pm (16.0 ft) and low tides at 11:44 am and 11:57 pm. Tide coefficient 101. Right now the tide is falling toward the low tide at 11:57 pm. In Castlemaine the tide is semidiurnal: two high and two low tides a day, of similar height. The next spring tides: from October 26 to 28.

Today's high and low tides

Pick a dateDate

0 · LAT ▲ 5:37 am16.7 ft ▼ 11:44 am1.7 ft ▲ 6:01 pm16.0 ft ▼ 11:57 pm2.2 ft Now 10:54 pm · 3.3 ft

▲ High tide 5:37 am 16.7 ft · coef. 101
▼ Low tide 11:44 am 1.7 ft
▲ High tide 6:01 pm 16.0 ft · coef. 99
▼ Next low tide 11:57 pm 2.2 ft

↓ Falling The tide is falling. 1 h 3 min to low tide at 11:57 pm.

Tide coefficient 101 for the 5:37 am high tide and 99 for the 6:01 pm high tide. Big spring tides. The water rises and falls 14.9 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

October Print Full 2026 tide table, free

Day	Sun	Tide 1	Tide 2	Tide 3	Tide 4	Coef.	Moon	Major periods	Activity
Today, Wed 28	7:27 am · 5:18 pm	High tide 5:37 am · 16.7 ft	Low tide 11:44 am · 1.7 ft	High tide 6:01 pm · 16.0 ft	Low tide 11:57 pm · 2.2 ft	Coef. 101	92%	Major periods 1:02 am · 1:34 pm	High
Thu 29	7:29 am · 5:16 pm	High tide 6:18 am · 16.3 ft	Low tide 12:25 pm · 2.3 ft	High tide 6:46 pm · 15.5 ft	—	Coef. 97	85%	Major periods 2:06 am · 2:38 pm	Medium
Fri 30	7:30 am · 5:14 pm	Low tide 12:38 am · 3.3 ft	High tide 7:03 am · 15.8 ft	Low tide 1:10 pm · 3.3 ft	High tide 7:36 pm · 14.9 ft	Coef. 89	76%	Major periods 3:10 am · 3:42 pm	Medium
Sat 31	7:32 am · 5:12 pm	Low tide 1:25 am · 4.7 ft	High tide 7:53 am · 15.2 ft	Low tide 2:02 pm · 4.6 ft	High tide 8:35 pm · 14.2 ft	Coef. 79	65%	Major periods 4:13 am · 4:43 pm	Medium
Sun 1	7:34 am · 5:10 pm	Low tide 2:21 am · 6.1 ft	High tide 8:52 am · 14.4 ft	Low tide 3:08 pm · 5.6 ft	High tide 9:46 pm · 13.4 ft	Coef. 68	Last quarter	Major periods 5:12 am · 5:40 pm	Medium
Mon 2	7:36 am · 5:08 pm	Low tide 3:38 am · 7.0 ft	High tide 10:06 am · 13.7 ft	Low tide 4:36 pm · 5.9 ft	High tide 11:09 pm · 13.0 ft	Coef. 60	43%	Major periods 6:06 am · 6:31 pm	Medium
Tue 3	7:38 am · 5:06 pm	Low tide 5:20 am · 7.0 ft	High tide 11:31 am · 13.4 ft	Low tide 6:09 pm · 5.3 ft	—	Coef. 62	32%	Major periods 6:55 am · 7:19 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

70 · average 44 · neap 103 · spring

The biggest tides of the month came from October 26 to 28 (coefficient 103, 15.4 ft range). The smallest, on October 19 (coefficient 44, 5.1 ft).

What is the tide coefficient?

Type of tide

In Castlemaine the tide is semidiurnal: two high and two low tides a day, of similar height. Types of tides

2026 extremes: the highest tide of the year is on March 19 (17.9 ft) and the lowest, on April 18 (0.5 ft).

Reference levels

Highest astronomical tide (HAT)18.6 ft
Mean higher high water (MHHW)12.9 ft
Mean high water (MHW)12.7 ft
Mean sea level (MSL)8.4 ft
Mean low water (MLW)4.0 ft
Mean lower low water (MLLW)3.8 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 Castlemaine

What time is high tide today in Castlemaine?

High tide today is at 5:37 am (16.7 ft) and 6:01 pm (16.0 ft). Low tide is at 11:44 am and 11:57 pm.

What time is high tide tomorrow in Castlemaine?

On Thursday, October 29, high tide at 6:18 am and 6:46 pm and low tide at 12:25 pm.

What is today's tide coefficient?

101: 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 26 to 28, 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 Castlemaine?

The tide is semidiurnal: two high and two low tides a day, of similar height. 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 Castlemaine today

Tides near Castlemaine

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

Learn more

Castlemaine has no station of its own, so we use the tide at Fenit (TICON-4), 10.0 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: 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

Spotted a mistake? Tell us · How we calculate the tide