Wakkanai Breakwater Dome tides
Today, Thursday, October 29, 2026 · local time (GMT+9) · Hokkaido, Japan- 3:13 am1.3 ft
- 12:06 pm0.2 ft
- Tide now
- 0.3 ft ↑ rising · high 3:08 am (1.3 ft)
- Coefficient
- 108 · big spring tides
- Range today
- 1.0 ft
Today there is high tide at 3:13 am (1.3 ft) and low tide at 12:06 pm. Tide coefficient 108. Right now the tide is rising toward the high tide at 3:08 am. In Wakkanai Breakwater Dome the tide is diurnal: one high and one low tide a day most days. The next spring tides: from October 27 to 29.
Today's high and low tides
- ▲ High tide 3:13 am 1.3 ft · coef. 108
- ▼ Low tide 12:06 pm 0.2 ft
↑ Rising The tide is rising. 14 h 5 min to high tide at 3:08 am.
Tide coefficient 108 for the 3:13 am high tide. Big spring tides. The water rises and falls 1.0 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 NLLW. 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 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 6:08 am · 4:26 pm | High tide 3:13 am · 1.3 ft | Low tide 12:06 pm · 0.2 ft | Coef. 108 | 88% | Major periods 12:33 am · 1:05 pm | Medium |
| Fri 30 | 6:09 am · 4:24 pm | High tide 3:08 am · 1.3 ft | Low tide 1:22 pm · 0.3 ft | Coef. 115 | 80% | Major periods 1:38 am · 2:10 pm | High |
| Sat 31 | 6:10 am · 4:23 pm | High tide 3:14 am · 1.3 ft | Low tide 3:25 pm · 0.3 ft | Coef. 114 | 69% | Major periods 2:42 am · 3:13 pm | Medium |
| Sun 1 | 6:12 am · 4:21 pm | High tide 3:41 am · 1.3 ft | Low tide 5:27 pm · 0.3 ft | Coef. 108 | 58% | Major periods 3:42 am · 4:11 pm | Medium |
| Mon 2 | 6:13 am · 4:20 pm | High tide 4:15 am · 1.2 ft | Low tide 6:52 pm · 0.3 ft | Coef. 96 | Last quarter | Major periods 4:38 am · 5:04 pm | Medium |
| Tue 3 | 6:15 am · 4:18 pm | High tide 4:51 am · 1.0 ft | Low tide 7:54 pm · 0.4 ft | Coef. 79 | 36% | Major periods 5:29 am · 5:54 pm | Medium |
| Wed 4 | 6:16 am · 4:17 pm | High tide 11:11 am · 0.8 ft | Low tide 8:41 pm · 0.4 ft | Coef. 51 | 26% | Major periods 6:17 am · 6:40 pm | Medium |
▲ high tide · ▼ low tide · heights above NLLW. 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 30 to 31 (coefficient 115, 1.1 ft range). The smallest, on October 24 (coefficient 20, 0.2 ft).
Type of tide
In Wakkanai Breakwater Dome the tide is diurnal: one high and one low tide a day most days. Types of tides
2026 extremes: the highest tide of the year is on July 15 (1.4 ft) and the lowest, on February 17 (-0.2 ft).
Reference levels
- Highest astronomical tide (HAT)1.5 ft
- Mean higher high water (MHHW)0.9 ft
- Mean high water (MHW)0.7 ft
- Mean sea level (MSL)0.6 ft
- Mean low water (MLW)0.4 ft
- Mean lower low water (MLLW)0.2 ft
- Lowest astronomical tide (LAT)-0.3 ft
Heights above NLLW.
Questions about the tides in Wakkanai Breakwater Dome
What time is high tide today in Wakkanai Breakwater Dome?
High tide today is at 3:13 am (1.3 ft). Low tide is at 12:06 pm.
What time is high tide tomorrow in Wakkanai Breakwater Dome?
On Friday, October 30, high tide at 3:08 am and low tide at 1:22 pm.
What is today's tide coefficient?
108: 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 Wakkanai Breakwater Dome?
The tide is diurnal: one high and one low tide a day most days. Each high tide comes about 50 minutes later than the day before.
What are the heights measured from?
From NLLW. 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 Wakkanai Breakwater Dome today
Tides near Wakkanai Breakwater Dome
- Makubetsu ▲ 3:15 am
- Oshidomari ▲ 4:26 am
- Hamatonbetsu ▲ 5:57 am
- Shosanbetsu ▲ 4:23 am
- Haboro ▲ 3:53 am
- Ōmu ▲ 3:12 pm
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Wakkanai station (TICON-4), 0.9 mi from Wakkanai Breakwater Dome. 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