TidePlanet

Heriot Bay tides

Today, Wednesday, October 28, 2026 · local time (PDT) · British Columbia, Canada
High tides
  • 7:58 am12.9 ft
  • 6:09 pm12.9 ft
Low tides
  • 12:32 am1.1 ft
  • 12:31 pm10.4 ft
Tide now
11.4 ft ↑ rising · high 6:09 pm (12.9 ft)
Coefficient
90 · spring tides
Range today
11.8 ft

Today there are high tides at 7:58 am (12.9 ft) and 6:09 pm (12.9 ft) and low tides at 12:32 am and 12:31 pm. Tide coefficient 90. Right now the tide is rising toward the high tide at 6:09 pm. In Heriot Bay the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from October 26 to 28.

Today's high and low tides

  • ▼ Low tide 12:32 am 1.1 ft
  • ▲ High tide 7:58 am 12.9 ft · coef. 90
  • ▼ Low tide 12:31 pm 10.4 ft

↑ Rising The tide is rising. 2 h 12 min to high tide at 6:09 pm.

Tide coefficient 90 for the 7:58 am high tide and 89 for the 6:09 pm high tide. Spring tides. The water rises and falls 11.8 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 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Wed 28 8:05 am · 6:04 pm Low tide 12:32 am · 1.1 ft High tide 7:58 am · 12.9 ft Low tide 12:31 pm · 10.4 ft High tide 6:09 pm · 12.9 ft Coef. 90 91% Major periods 2:04 am · 2:36 pm High
Thu 29 8:06 am · 6:02 pm Low tide 1:18 am · 1.0 ft High tide 8:57 am · 12.9 ft Low tide 1:35 pm · 10.9 ft High tide 6:51 pm · 12.6 ft Coef. 85 83% Major periods 3:09 am · 3:41 pm High
Fri 30 8:08 am · 6:00 pm Low tide 2:09 am · 1.2 ft High tide 10:00 am · 12.8 ft Low tide 4:32 pm · 10.9 ft High tide 7:38 pm · 12.0 ft Coef. 77 73% Major periods 4:13 am · 4:44 pm Medium
Sat 31 8:10 am · 5:59 pm Low tide 3:07 am · 1.8 ft High tide 11:04 am · 12.8 ft Low tide 5:49 pm · 10.4 ft High tide 8:36 pm · 11.2 ft Coef. 68 62% Major periods 5:15 am · 5:44 pm Medium
Sun 1 8:11 am · 5:57 pm Low tide 4:15 am · 2.6 ft High tide 12:05 pm · 12.7 ft Low tide 7:01 pm · 9.6 ft High tide 10:05 pm · 10.3 ft Coef. 62 Last quarter Major periods 6:12 am · 6:39 pm Medium
Mon 2 8:13 am · 5:55 pm Low tide 5:27 am · 3.5 ft High tide 12:57 pm · 12.7 ft Low tide 8:06 pm · 8.4 ft High tide 11:54 pm · 9.8 ft Coef. 62 40% Major periods 7:04 am · 7:29 pm Medium
Tue 3 8:15 am · 5:54 pm Low tide 6:36 am · 4.6 ft High tide 1:40 pm · 12.8 ft Low tide 9:00 pm · 7.1 ft — Coef. 64 29% Major periods 7:52 am · 8:15 pm Medium

▲ 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 92, 11.8 ft range). The smallest, from October 18 to 19 (coefficient 37, 8.0 ft).

What is the tide coefficient?

Type of tide

In Heriot 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 January 4 (14.0 ft) and the lowest, on June 15 (-0.6 ft).

Reference levels

  • Highest astronomical tide (HAT)14.2 ft
  • Mean higher high water (MHHW)12.6 ft
  • Mean high water (MHW)10.8 ft
  • Mean sea level (MSL)8.6 ft
  • Mean low water (MLW)6.2 ft
  • Mean lower low water (MLLW)3.3 ft
  • Lowest astronomical tide (LAT)-0.7 ft

Heights above lower low water, large tide (LLWLT), the zero of Canadian charts.

Questions about the tides in Heriot Bay

What time is high tide today in Heriot Bay?

High tide today is at 7:58 am (12.9 ft) and 6:09 pm (12.9 ft). Low tide is at 12:32 am and 12:31 pm.

What time is high tide tomorrow in Heriot Bay?

On Thursday, October 29, high tide at 8:57 am and 6:51 pm and low tide at 1:18 am and 1:35 pm.

What is today's tide coefficient?

90: 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 Heriot 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 Heriot Bay today

Tides near Heriot Bay

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

Learn more

Tides from the Campbell River station (TICON-4), 4.5 mi from Heriot Bay. Times and heights are its predictions. 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

Settings

How numbers and colors show across the site.

Height and distance Tides, waves and distances
Temperature Air and water
Wind Speed and gusts
Time Tides, sun and moon
Pressure Air pressure
Theme Automatic: same as your system

Saved only in this browser.