Upper Island Cove tides
Today, Thursday, October 29, 2026 · local time (GMT-2:30) · Newfoundland and Labrador, Canada- 10:28 am4.9 ft
- 10:52 pm3.7 ft
- 4:08 am1.2 ft
- 5:04 pm0.9 ft
- Tide now
- 1.2 ft ↓ falling · low 4:08 am (1.2 ft)
- Coefficient
- 96 · spring tides
- Range today
- 4.0 ft
Today there are high tides at 10:28 am (4.9 ft) and 10:52 pm (3.7 ft) and low tides at 4:08 am and 5:04 pm. Tide coefficient 96. Right now the tide is falling toward the low tide at 4:08 am. In Upper Island Cove 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
- ▼ Next low tide 4:08 am 1.2 ft
- ▲ High tide 10:28 am 4.9 ft · coef. 96
- ▼ Low tide 5:04 pm 0.9 ft
- ▲ High tide 10:52 pm 3.7 ft · coef. 90
↓ Falling The tide is falling. 43 min to low tide at 4:08 am.
Tide coefficient 96 for the 10:28 am high tide and 90 for the 10:52 pm high tide. Spring tides. The water rises and falls 4.0 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 lower low water, large tide (LLWLT), the zero of Canadian 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 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 7:43 am · 5:50 pm | Low tide 4:08 am · 1.2 ft | High tide 10:28 am · 4.9 ft | Low tide 5:04 pm · 0.9 ft | High tide 10:52 pm · 3.7 ft | Coef. 96 | 84% | Major periods 2:38 am · 3:10 pm | Medium |
| Fri 30 | 7:44 am · 5:48 pm | Low tide 4:51 am · 1.3 ft | High tide 11:10 am · 4.7 ft | Low tide 6:00 pm · 1.2 ft | High tide 11:44 pm · 3.4 ft | Coef. 83 | 75% | Major periods 3:42 am · 4:14 pm | Medium |
| Sat 31 | 7:46 am · 5:47 pm | Low tide 5:37 am · 1.5 ft | High tide 11:55 am · 4.3 ft | Low tide 7:07 pm · 1.4 ft | — | Coef. 67 | 64% | Major periods 4:45 am · 5:14 pm | Medium |
| Sun 1 | 6:47 am · 4:45 pm | High tide 12:43 am · 3.1 ft | Low tide 5:36 am · 1.7 ft | High tide 11:48 am · 3.9 ft | Low tide 7:21 pm · 1.5 ft | Coef. 58 | Last quarter | Major periods 4:43 am · 5:10 pm | Medium |
| Mon 2 | 6:49 am · 4:44 pm | High tide 12:53 am · 2.8 ft | Low tide 6:51 am · 1.9 ft | High tide 1:03 pm · 3.5 ft | Low tide 8:32 pm · 1.4 ft | Coef. 45 | 41% | Major periods 5:36 am · 6:01 pm | Medium |
| Tue 3 | 6:50 am · 4:42 pm | High tide 2:18 am · 2.8 ft | Low tide 8:18 am · 1.9 ft | High tide 3:01 pm · 3.3 ft | Low tide 9:33 pm · 1.3 ft | Coef. 44 | 31% | Major periods 6:25 am · 6:48 pm | Medium |
| Wed 4 | 6:52 am · 4:41 pm | High tide 3:42 am · 3.0 ft | Low tide 9:51 am · 1.8 ft | High tide 4:29 pm · 3.5 ft | Low tide 10:22 pm · 1.3 ft | Coef. 55 | 21% | Major periods 7:11 am · 7:33 pm | High |
▲ high tide · ▼ low tide · heights above LLWLT. 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 26 to 28 (coefficient 105, 4.3 ft range). The smallest, from October 19 to 20 (coefficient 25, 1.3 ft).
Type of tide
In Upper Island Cove 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 October 28 (5.1 ft) and the lowest, on June 17 (0.0 ft).
Reference levels
- Highest astronomical tide (HAT)5.2 ft
- Mean higher high water (MHHW)3.9 ft
- Mean high water (MHW)3.6 ft
- Mean sea level (MSL)2.4 ft
- Mean low water (MLW)1.2 ft
- Mean lower low water (MLLW)1.1 ft
- Lowest astronomical tide (LAT)-0.1 ft
Heights above lower low water, large tide (LLWLT), the zero of Canadian charts.
Questions about the tides in Upper Island Cove
What time is high tide today in Upper Island Cove?
High tide today is at 10:28 am (4.9 ft) and 10:52 pm (3.7 ft). Low tide is at 4:08 am and 5:04 pm.
What time is high tide tomorrow in Upper Island Cove?
On Friday, October 30, high tide at 11:10 am and 11:44 pm and low tide at 4:51 am and 6:00 pm.
What is today's tide coefficient?
96: 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 Upper Island Cove?
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 lower low water, large tide (LLWLT), the zero of Canadian 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 Upper Island Cove today
Tides near Upper Island Cove
- Salmon Cove ▲ 10:18 am
- Heart's Desire ▲ 10:00 am
- Hant's Harbour ▲ 9:59 am
- Long Harbour-Mount Arlington Heights ▲ 11:15 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Upper Island Cove has no station of its own, so we use the tide at Holyrood Bay (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