Castletown tides
Today, Thursday, October 29, 2026 · local time (GMT) · Wexford, Ireland- 9:59 am4.5 ft
- 10:32 pm4.1 ft
- 5:39 am1.4 ft
- 6:13 pm1.2 ft
- Tide now
- 2.2 ft ↑ rising · high 9:59 am (4.5 ft)
- Coefficient
- 97 · spring tides
- Range today
- 3.4 ft
Today there are high tides at 9:59 am (4.5 ft) and 10:32 pm (4.1 ft) and low tides at 5:39 am and 6:13 pm. Tide coefficient 97. Right now the tide is rising toward the high tide at 9:59 am. In Castletown the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from November 9 to 11.
Today's high and low tides
- ▼ Low tide 5:39 am 1.4 ft
- ▲ Next high tide 9:59 am 4.5 ft · coef. 97
- ▼ Low tide 6:13 pm 1.2 ft
- ▲ High tide 10:32 pm 4.1 ft · coef. 93
↑ Rising The tide is rising. 2 h 53 min to high tide at 9:59 am.
Tide coefficient 97 for the 9:59 am high tide and 93 for the 10:32 pm high tide. Spring tides. The water rises and falls 3.4 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 | 7:16 am · 5:00 pm | Low tide 5:39 am · 1.4 ft | High tide 9:59 am · 4.5 ft | Low tide 6:13 pm · 1.2 ft | High tide 10:32 pm · 4.1 ft | Coef. 97 | 85% | Major periods 1:51 am · 2:23 pm | Medium |
| Fri 30 | 7:18 am · 4:58 pm | Low tide 6:30 am · 1.7 ft | High tide 10:45 am · 4.4 ft | Low tide 7:13 pm · 1.4 ft | — | Coef. 88 | 76% | Major periods 2:56 am · 3:28 pm | Medium |
| Sat 31 | 7:20 am · 4:56 pm | High tide 3:28 am · 3.7 ft | Low tide 7:26 am · 2.1 ft | High tide 11:33 am · 4.2 ft | Low tide 8:22 pm · 1.6 ft | Coef. 79 | 65% | Major periods 3:59 am · 4:29 pm | Medium |
| Sun 1 | 7:22 am · 4:54 pm | High tide 4:46 am · 3.7 ft | Low tide 8:30 am · 2.5 ft | High tide 4:48 pm · 4.1 ft | Low tide 9:41 pm · 1.7 ft | Coef. 68 | Last quarter | Major periods 4:57 am · 5:25 pm | Medium |
| Mon 2 | 7:23 am · 4:53 pm | High tide 6:04 am · 3.8 ft | Low tide 9:41 am · 2.7 ft | High tide 5:59 pm · 4.2 ft | Low tide 11:05 pm · 1.7 ft | Coef. 67 | 43% | Major periods 5:51 am · 6:16 pm | Medium |
| Tue 3 | 7:25 am · 4:51 pm | High tide 7:16 am · 3.8 ft | Low tide 10:57 am · 2.7 ft | High tide 7:06 pm · 4.3 ft | — | Coef. 71 | 32% | Major periods 6:41 am · 7:04 pm | Medium |
| Wed 4 | 7:27 am · 4:49 pm | Low tide 12:21 am · 1.6 ft | High tide 8:16 am · 3.8 ft | Low tide 12:07 pm · 2.6 ft | High tide 8:05 pm · 4.3 ft | Coef. 74 | 23% | Major periods 7:27 am · 7:49 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 came from October 27 to 28 (coefficient 102, 3.5 ft range). The smallest, on October 17 (coefficient 43, 0.8 ft).
Type of tide
In Castletown 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 26 (5.2 ft) and the lowest, on July 16 (0.1 ft).
Reference levels
- Mean sea level (MSL)2.9 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 Castletown
What time is high tide today in Castletown?
High tide today is at 9:59 am (4.5 ft) and 10:32 pm (4.1 ft). Low tide is at 5:39 am and 6:13 pm.
What time is high tide tomorrow in Castletown?
On Friday, October 30, high tide at 10:45 am and low tide at 6:30 am and 7:13 pm.
What is today's tide coefficient?
97: 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 9 to 11, after the new or full moon.
How many tides a day are there in Castletown?
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 Castletown today
Tides near Castletown
- Wicklow ▲ 1:05 am
- Enniscorthy ▲ 8:40 am
- Kilcoole ▲ 1:01 am
- Rosslare ▲ 8:04 am
- Sandyford ▲ 12:51 am
- Duncormick ▲ 7:12 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Castletown has no station of its own, so we use the tide at Arklow (Marine Institute), 5.2 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: Marine Institute, Ireland: tide prediction for Arklow, https://erddap.marine.ie/erddap/tabledap/imiTidePrediction.html. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: harmonic constants fitted by TidePlanet from the hourly prediction of 2026.