Kamisu tides
Today, Saturday, October 31, 2026 · local time (GMT+9) · Ibaraki, Japan- 8:34 am4.0 ft
- 5:38 pm4.8 ft
- 12:56 am0.4 ft
- 12:07 pm3.7 ft
- Tide now
- 0.5 ft ↓ falling · low 12:56 am (0.4 ft)
- Coefficient
- 66 · low coefficient
- Range today
- 4.4 ft
Today there are high tides at 8:34 am (4.0 ft) and 5:38 pm (4.8 ft) and low tides at 12:56 am and 12:07 pm. Tide coefficient 66. Right now the tide is falling toward the low tide at 12:56 am. In Kamisu the tide is mixed: two high and two low tides a day, but of quite different heights. The next spring tides: from November 10 to 12.
Today's high and low tides
- ▼ Next low tide 12:56 am 0.4 ft
- ▲ High tide 8:34 am 4.0 ft · coef. 66
- ▼ Low tide 12:07 pm 3.7 ft
- ▲ High tide 5:38 pm 4.8 ft · coef. 59
↓ Falling The tide is falling. 37 min to low tide at 12:56 am.
Tide coefficient 66 for the 8:34 am high tide and 59 for the 5:38 pm high tide. Low coefficient. The water rises and falls 4.4 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 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Sat 31 | 5:58 am · 4:43 pm | Low tide 12:56 am · 0.4 ft | High tide 8:34 am · 4.0 ft | Low tide 12:07 pm · 3.7 ft | High tide 5:38 pm · 4.8 ft | Coef. 66 | 69% | Major periods 2:46 am · 3:17 pm | Medium |
| Sun 1 | 5:59 am · 4:42 pm | Low tide 1:53 am · 0.8 ft | High tide 10:00 am · 3.8 ft | Low tide 12:45 pm · 3.7 ft | High tide 6:20 pm · 4.4 ft | Coef. 49 | 58% | Major periods 3:47 am · 4:15 pm | Medium |
| Mon 2 | 6:00 am · 4:41 pm | Low tide 3:01 am · 1.2 ft | High tide 11:42 am · 3.8 ft | Low tide 2:49 pm · 3.7 ft | High tide 7:32 pm · 4.0 ft | Coef. 37 | Last quarter | Major periods 4:42 am · 5:09 pm | Medium |
| Tue 3 | 6:01 am · 4:40 pm | Low tide 4:19 am · 1.6 ft | High tide 12:28 pm · 3.9 ft | Low tide 6:03 pm · 3.3 ft | High tide 10:34 pm · 3.7 ft | Coef. 40 | 36% | Major periods 5:34 am · 5:58 pm | Medium |
| Wed 4 | 6:02 am · 4:39 pm | Low tide 5:36 am · 1.9 ft | High tide 12:55 pm · 4.0 ft | Low tide 7:04 pm · 2.7 ft | — | Coef. 46 | 26% | Major periods 6:21 am · 6:44 pm | Medium |
| Thu 5 | 6:03 am · 4:38 pm | High tide 12:40 am · 3.8 ft | Low tide 6:40 am · 2.1 ft | High tide 1:19 pm · 4.2 ft | Low tide 7:44 pm · 2.1 ft | Coef. 60 | 17% | Major periods 7:06 am · 7:28 pm | Medium |
| Fri 6 | 6:04 am · 4:37 pm | High tide 1:54 am · 4.0 ft | Low tide 7:32 am · 2.4 ft | High tide 1:42 pm · 4.4 ft | Low tide 8:20 pm · 1.5 ft | Coef. 73 | 10% | Major periods 7:50 am · 8:12 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 came from October 26 to 28 (coefficient 105, 5.0 ft range). The smallest, on October 19 (coefficient 22, 2.2 ft).
Type of tide
In Kamisu 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 October 29 (5.1 ft) and the lowest, on May 18 (-0.7 ft).
Reference levels
- Highest astronomical tide (HAT)5.3 ft
- Mean higher high water (MHHW)4.3 ft
- Mean high water (MHW)4.1 ft
- Mean sea level (MSL)2.9 ft
- Mean low water (MLW)1.8 ft
- Mean lower low water (MLLW)0.8 ft
- Lowest astronomical tide (LAT)-0.7 ft
Heights above NLLW.
Questions about the tides in Kamisu
What time is high tide today in Kamisu?
High tide today is at 8:34 am (4.0 ft) and 5:38 pm (4.8 ft). Low tide is at 12:56 am and 12:07 pm.
What time is high tide tomorrow in Kamisu?
On Sunday, November 1, high tide at 10:00 am and 6:20 pm and low tide at 1:53 am and 12:45 pm.
What is today's tide coefficient?
66: low coefficient. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides.
When are the next spring tides?
From November 10 to 12, after the new or full moon.
How many tides a day are there in Kamisu?
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 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 Kamisu today
Tides near Kamisu
- Asahi ▲ 8:41 am
- Hokota ▲ 8:37 am
- Katakai ▲ 9:07 am
- Ichinomiya ▲ 8:46 am
- Funaishikawa ▲ 8:35 am
- Ichihara ▲ 9:16 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Tides from the Kashima station (TICON-4), 2.7 mi from Kamisu. 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