Clam Gulch tides
Today, Wednesday, October 28, 2026 · local time (AKDT) · Alaska, United States- 5:54 am22.2 ft
- 5:39 pm24.3 ft
- 11:52 am3.3 ft
- Tide now
- 23.9 ft ↑ rising · high 5:39 pm (24.3 ft)
- Coefficient
- 98 · spring tides
- Range today
- 21.0 ft
Today there are high tides at 5:54 am (22.2 ft) and 5:39 pm (24.3 ft) and low tide at 11:52 am. Tide coefficient 98. Right now the tide is rising toward the high tide at 5:39 pm. In Clam Gulch 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
- ▲ High tide 5:54 am 22.2 ft · coef. 98
- ▼ Low tide 11:52 am 3.3 ft
- ▲ Next high tide 5:39 pm 24.3 ft · coef. 95
↑ Rising The tide is rising. 32 min to high tide at 5:39 pm.
Tide coefficient 98 for the 5:54 am high tide and 95 for the 5:39 pm high tide. Spring tides. The water rises and falls 21.0 ft between the highest high and the lowest low: an average 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 mean lower low water (MLLW), the zero of US 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, Wed 28 | 9:19 am · 6:18 pm | High tide 5:54 am · 22.2 ft | Low tide 11:52 am · 3.3 ft | High tide 5:39 pm · 24.3 ft | — | Coef. 98 | 90% | Major periods 2:54 am · 3:26 pm | High |
| Thu 29 | 9:22 am · 6:16 pm | Low tide 12:27 am · -3.4 ft | High tide 6:40 am · 21.1 ft | Low tide 12:34 pm · 4.5 ft | High tide 6:21 pm · 23.2 ft | Coef. 90 | 82% | Major periods 3:58 am · 4:30 pm | High |
| Fri 30 | 9:25 am · 6:13 pm | Low tide 1:14 am · -2.1 ft | High tide 7:31 am · 19.6 ft | Low tide 1:23 pm · 6.0 ft | High tide 7:10 pm · 21.5 ft | Coef. 78 | 72% | Major periods 5:02 am · 5:34 pm | Medium |
| Sat 31 | 9:27 am · 6:10 pm | Low tide 2:11 am · -0.3 ft | High tide 8:32 am · 18.1 ft | Low tide 2:29 pm · 7.3 ft | High tide 8:09 pm · 19.4 ft | Coef. 64 | 62% | Major periods 6:04 am · 6:33 pm | Medium |
| Sun 1 | 8:30 am · 5:08 pm | Low tide 2:23 am · 1.5 ft | High tide 8:50 am · 17.1 ft | Low tide 3:03 pm · 7.9 ft | High tide 8:33 pm · 17.5 ft | Coef. 52 | Last quarter | Major periods 6:01 am · 6:27 pm | Medium |
| Mon 2 | 8:32 am · 5:05 pm | Low tide 3:45 am · 2.6 ft | High tide 10:16 am · 17.1 ft | Low tide 4:31 pm · 6.9 ft | High tide 10:16 pm · 16.8 ft | Coef. 49 | 39% | Major periods 6:53 am · 7:17 pm | Medium |
| Tue 3 | 8:35 am · 5:02 pm | Low tide 5:00 am · 2.9 ft | High tide 11:31 am · 18.1 ft | Low tide 5:43 pm · 5.0 ft | High tide 11:47 pm · 17.4 ft | Coef. 58 | 29% | Major periods 7:41 am · 8:03 pm | Medium |
▲ high tide · ▼ low tide · heights above MLLW. 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 27 (coefficient 101, 28.7 ft range). The smallest, on October 18 (coefficient 25, 8.9 ft).
Type of tide
In Clam Gulch 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 November 25 (24.9 ft) and the lowest, on May 17 (-5.9 ft).
Reference levels
- Highest astronomical tide (HAT)26.1 ft
- Mean higher high water (MHHW)20.1 ft
- Mean high water (MHW)19.4 ft
- Mean sea level (MSL)10.9 ft
- Mean low water (MLW)2.0 ft
- Mean lower low water (MLLW)0.0 ft
- Lowest astronomical tide (LAT)-6.5 ft
Heights above mean lower low water (MLLW), the zero of US nautical charts.
Questions about the tides in Clam Gulch
What time is high tide today in Clam Gulch?
High tide today is at 5:54 am (22.2 ft) and 5:39 pm (24.3 ft). Low tide is at 11:52 am.
What time is high tide tomorrow in Clam Gulch?
On Thursday, October 29, high tide at 6:40 am and 6:21 pm and low tide at 12:27 am and 12:34 pm.
What is today's tide coefficient?
98: 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 Clam Gulch?
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 mean lower low water (MLLW), the zero of US 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 Clam Gulch today
Tides near Clam Gulch
- Kalifornsky ▲ 6:15 am
- Ninilchik ▲ 5:28 am
- Happy Valley ▲ 5:15 am
- Kenai ▲ 6:26 am
- Kachemak ▲ 4:29 am
- Halibut Cove ▲ 4:31 am
Each place with its own tide station; next to it, the time of its first high tide today.
Learn more
Clam Gulch has no station of its own, so we use the tide at Cape Kasilof (NOAA), 7.3 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: Slackwater database (https://github.com/openwatersio/slackwater-database)