TidePlanet

Rausu tides

Today, Thursday, October 29, 2026 · local time (GMT+9) · Hokkaido, Japan
High tide
  • 3:33 pm4.2 ft
Low tide
  • 11:47 pm0.0 ft
Tide now
2.0 ft ↑ rising · high 3:33 pm (4.2 ft)
Coefficient
114 · big spring tides
Range today
4.1 ft

Today there is high tide at 3:33 pm (4.2 ft) and low tide at 11:47 pm. Tide coefficient 114. Right now the tide is rising toward the high tide at 3:33 pm. In Rausu the tide is mixed, mainly diurnal: on many days there is only one high and one low tide. The next spring tides: from October 27 to 29.

Today's high and low tides

  • ▼ Low tide 11:47 pm 0.0 ft

↑ Rising The tide is rising. 6 h 41 min to high tide at 3:33 pm.

Tide coefficient 114 for the 3:33 pm high tide. Big spring tides. The water rises and falls 4.1 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 (CD), the zero of that port's nautical 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, Thu 29 5:51 am · 4:14 pm High tide 3:33 pm · 4.2 ft Low tide 11:47 pm · 0.0 ft — — Coef. 114 88% Major periods 12:19 am · 12:51 pm Medium
Fri 30 5:52 am · 4:13 pm High tide 4:18 pm · 4.1 ft — — — Coef. 117 80% Major periods 1:23 am · 1:55 pm High
Sat 31 5:54 am · 4:11 pm Low tide 12:43 am · 0.2 ft High tide 5:07 pm · 4.0 ft — — Coef. 114 69% Major periods 2:27 am · 2:58 pm Medium
Sun 1 5:55 am · 4:10 pm Low tide 1:47 am · 0.4 ft High tide 6:00 pm · 3.7 ft — — Coef. 105 58% Major periods 3:28 am · 3:56 pm Medium
Mon 2 5:56 am · 4:09 pm Low tide 3:02 am · 0.6 ft High tide 7:04 pm · 3.3 ft — — Coef. 89 Last quarter Major periods 4:24 am · 4:50 pm Medium
Tue 3 5:58 am · 4:07 pm Low tide 4:21 am · 0.9 ft High tide 8:27 pm · 2.9 ft — — Coef. 66 36% Major periods 5:15 am · 5:39 pm Medium
Wed 4 5:59 am · 4:06 pm Low tide 5:16 am · 1.1 ft High tide 12:52 pm · 2.2 ft Low tide 4:26 pm · 2.0 ft High tide 10:33 pm · 2.6 ft Coef. 48 26% Major periods 6:02 am · 6:25 pm Medium

▲ high tide · ▼ low tide · heights above chart datum (CD). 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 come on October 30 (coefficient 117, 0.0 ft range). The smallest, on October 24 (coefficient 27, 1.7 ft).

What is the tide coefficient?

Type of tide

In Rausu the tide is mixed, mainly diurnal: on many days there is only one high and one low tide. Types of tides

2026 extremes: the highest tide of the year is on December 25 (4.7 ft) and the lowest, on May 19 (-0.4 ft).

Reference levels

  • Highest astronomical tide (HAT)4.7 ft
  • Mean higher high water (MHHW)3.4 ft
  • Mean high water (MHW)3.0 ft
  • Mean sea level (MSL)2.1 ft
  • Mean low water (MLW)1.2 ft
  • Mean lower low water (MLLW)0.9 ft
  • Lowest astronomical tide (LAT)-0.4 ft

Heights above chart datum (CD), the zero of that port's nautical charts.

Questions about the tides in Rausu

What time is high tide today in Rausu?

High tide today is at 3:33 pm (4.2 ft). Low tide is at 11:47 pm.

What time is high tide tomorrow in Rausu?

On Friday, October 30, high tide at 4:18 pm.

What is today's tide coefficient?

114: 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 27 to 29, 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 Rausu?

The tide is mixed, mainly diurnal: on many days there is only one high and one low tide. Each high tide comes about 50 minutes later than the day before.

What are the heights measured from?

From chart datum (CD), the zero of that port's nautical 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 Rausu today

Tides near Rausu

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

Learn more

Tides from the Rausu station (JMA), 0.4 mi from Rausu. Times and heights are its predictions. Station data attribution: Source: Japan Meteorological Agency website (出典:気象庁ホームページ), tide table (潮位表) for Rausu (羅臼), https://www.data.jma.go.jp/kaiyou/db/tide/suisan/suisan.php?stn=A6. Public Data License (Version 1.0) (https://www.digital.go.jp/resources/open_data/public_data_license_v1.0), compatible with CC BY 4.0. Modified by TidePlanet (気象庁「潮位表」を加工して作成): harmonic constants fitted from the hourly prediction of 2025–2026; not an official JMA product.

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