Okoppe tides
Today, Thursday, October 29, 2026 · local time (GMT+9) · Hokkaido, Japan- 3:12 pm4.4 ft
- 11:23 pm0.1 ft
- Tide now
- 3.7 ft ↑ rising · high 3:12 pm (4.4 ft)
- Coefficient
- 113 · big spring tides
- Range today
- 4.3 ft
Today there is high tide at 3:12 pm (4.4 ft) and low tide at 11:23 pm. Tide coefficient 113. Right now the tide is rising toward the high tide at 3:12 pm. In Okoppe 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
- ▲ Next high tide 3:12 pm 4.4 ft · coef. 113
- ▼ Low tide 11:23 pm 0.1 ft
↑ Rising The tide is rising. 2 h 57 min to high tide at 3:12 pm.
Tide coefficient 113 for the 3:12 pm high tide. Big spring tides. The water rises and falls 4.3 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 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 6:00 am · 4:22 pm | High tide 3:12 pm · 4.4 ft | Low tide 11:23 pm · 0.1 ft | — | — | Coef. 113 | 88% | Major periods 12:27 am · 12:59 pm | Medium |
| Fri 30 | 6:02 am · 4:20 pm | High tide 3:50 pm · 4.5 ft | — | — | — | Coef. 115 | 80% | Major periods 1:32 am · 2:04 pm | High |
| Sat 31 | 6:03 am · 4:19 pm | Low tide 12:15 am · 0.3 ft | High tide 4:33 pm · 4.4 ft | — | — | Coef. 112 | 69% | Major periods 2:36 am · 3:07 pm | Medium |
| Sun 1 | 6:04 am · 4:17 pm | Low tide 1:13 am · 0.6 ft | High tide 5:23 pm · 4.1 ft | — | — | Coef. 103 | 58% | Major periods 3:36 am · 4:05 pm | Medium |
| Mon 2 | 6:06 am · 4:16 pm | Low tide 2:21 am · 0.9 ft | High tide 6:31 pm · 3.7 ft | — | — | Coef. 88 | Last quarter | Major periods 4:32 am · 4:58 pm | Medium |
| Tue 3 | 6:07 am · 4:15 pm | Low tide 3:52 am · 1.2 ft | High tide 8:13 pm · 3.3 ft | — | — | Coef. 66 | 36% | Major periods 5:23 am · 5:48 pm | Medium |
| Wed 4 | 6:08 am · 4:13 pm | Low tide 5:05 am · 1.4 ft | High tide 12:38 pm · 2.7 ft | Low tide 4:45 pm · 2.4 ft | High tide 10:08 pm · 3.0 ft | Coef. 49 | 26% | Major periods 6:11 am · 6:34 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 from October 29 to 30 (coefficient 115, 4.3 ft range). The smallest, from October 23 to 24 (coefficient 21, 1.2 ft).
Type of tide
In Okoppe 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 (4.8 ft) and the lowest, on May 18 (-0.4 ft).
Reference levels
- Highest astronomical tide (HAT)4.9 ft
- Mean higher high water (MHHW)3.6 ft
- Mean high water (MHW)3.3 ft
- Mean sea level (MSL)2.3 ft
- Mean low water (MLW)1.3 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 Okoppe
What time is high tide today in Okoppe?
High tide today is at 3:12 pm (4.4 ft). Low tide is at 11:23 pm.
What time is high tide tomorrow in Okoppe?
On Friday, October 30, high tide at 3:50 pm.
What is today's tide coefficient?
113: 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 Okoppe?
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 Okoppe today
Tides near Okoppe
- Esashi ▲ 5:57 am
- Abashiri ▲ 3:30 pm
- Shosanbetsu ▲ 4:23 am
- Haboro ▲ 3:53 am
- Makubetsu ▲ 3:15 am
- Wakkanai ▲ 3:13 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Okoppe has no station of its own, so we use the tide at Monbetsu (JMA), 15 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: Source: Japan Meteorological Agency website (出典：気象庁ホームページ), tide table (潮位表) for Monbetsu (紋別), https://www.data.jma.go.jp/kaiyou/db/tide/suisan/suisan.php?stn=A0. 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.