Summerville-Princeton-Southern Bay tides

Today, Thursday, October 29, 2026 · local time (GMT-2:30) · Newfoundland and Labrador, Canada

High tides

10:07 am4.4 ft
10:35 pm3.3 ft

Low tides

3:40 am1.0 ft
4:38 pm0.8 ft

Tide now: 1.3 ft ↑ rising · high 10:07 am (4.4 ft)
Coefficient: 97 · spring tides
Range today: 3.6 ft

Today there are high tides at 10:07 am (4.4 ft) and 10:35 pm (3.3 ft) and low tides at 3:40 am and 4:38 pm. Tide coefficient 97. Right now the tide is rising toward the high tide at 10:07 am. In Summerville-Princeton-Southern Bay 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

Pick a dateDate

0 · LLWLT ▼ 3:40 am1.0 ft ▲ 10:07 am4.4 ft ▼ 4:38 pm0.8 ft ▲ 10:35 pm3.3 ft Now 5:00 am · 1.3 ft

▼ Low tide 3:40 am 1.0 ft
▲ Next high tide 10:07 am 4.4 ft · coef. 97
▼ Low tide 4:38 pm 0.8 ft
▲ High tide 10:35 pm 3.3 ft · coef. 90

↑ Rising The tide is rising. 5 h 7 min to high tide at 10:07 am.

Tide coefficient 97 for the 10:07 am high tide and 90 for the 10:35 pm high tide. Spring tides. The water rises and falls 3.6 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

October Print Full 2026 tide table, free

Day	Sun	Tide 1	Tide 2	Tide 3	Tide 4	Coef.	Moon	Major periods	Activity
Today, Thu 29	7:46 am · 5:50 pm	Low tide 3:40 am · 1.0 ft	High tide 10:07 am · 4.4 ft	Low tide 4:38 pm · 0.8 ft	High tide 10:35 pm · 3.3 ft	Coef. 97	84%	Major periods 2:39 am · 3:12 pm	Medium
Fri 30	7:47 am · 5:48 pm	Low tide 4:20 am · 1.2 ft	High tide 10:49 am · 4.2 ft	Low tide 5:33 pm · 1.1 ft	High tide 11:30 pm · 3.0 ft	Coef. 83	75%	Major periods 3:44 am · 4:15 pm	Medium
Sat 31	7:49 am · 5:46 pm	Low tide 5:02 am · 1.4 ft	High tide 11:36 am · 3.9 ft	Low tide 6:39 pm · 1.4 ft	—	Coef. 66	64%	Major periods 4:46 am · 5:16 pm	Medium
Sun 1	6:50 am · 4:45 pm	High tide 12:34 am · 2.8 ft	Low tide 4:51 am · 1.7 ft	High tide 11:36 am · 3.6 ft	Low tide 6:59 pm · 1.6 ft	Coef. 57	Last quarter	Major periods 4:44 am · 5:12 pm	Medium
Mon 2	6:52 am · 4:43 pm	High tide 12:50 am · 2.6 ft	Low tide 6:00 am · 1.9 ft	High tide 1:02 pm · 3.3 ft	Low tide 8:21 pm · 1.6 ft	Coef. 43	41%	Major periods 5:38 am · 6:02 pm	Medium
Tue 3	6:53 am · 4:42 pm	High tide 2:14 am · 2.7 ft	Low tide 7:50 am · 2.1 ft	High tide 2:57 pm · 3.2 ft	Low tide 9:26 pm · 1.5 ft	Coef. 43	31%	Major periods 6:27 am · 6:50 pm	Medium
Wed 4	6:55 am · 4:40 pm	High tide 3:32 am · 2.8 ft	Low tide 9:45 am · 1.9 ft	High tide 4:14 pm · 3.3 ft	Low tide 10:13 pm · 1.4 ft	Coef. 54	21%	Major periods 7:12 am · 7:35 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

70 · average 23 · neap 106 · spring

The biggest tides of the month came from October 26 to 28 (coefficient 106, 3.8 ft range). The smallest, on October 19 (coefficient 23, 1.1 ft).

What is the tide coefficient?

Type of tide

In Summerville-Princeton-Southern Bay 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 (4.7 ft) and the lowest, on May 18 (0.0 ft).

Reference levels

Highest astronomical tide (HAT)4.8 ft
Mean higher high water (MHHW)3.7 ft
Mean high water (MHW)2.9 ft
Mean sea level (MSL)2.2 ft
Mean low water (MLW)1.5 ft
Mean lower low water (MLLW)0.9 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 Summerville-Princeton-Southern Bay

What time is high tide today in Summerville-Princeton-Southern Bay?

High tide today is at 10:07 am (4.4 ft) and 10:35 pm (3.3 ft). Low tide is at 3:40 am and 4:38 pm.

What time is high tide tomorrow in Summerville-Princeton-Southern Bay?

On Friday, October 30, high tide at 10:49 am and 11:30 pm and low tide at 4:20 am and 5:33 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 Summerville-Princeton-Southern Bay?

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 Summerville-Princeton-Southern Bay today

Tides near Summerville-Princeton-Southern Bay

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

Learn more

Summerville-Princeton-Southern Bay has no station of its own, so we use the tide at Bonavista (TICON-4), 26 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

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