Tides Today & Tomorrow in Sitka, AK

TIDE TIMES for Friday, August 28, 2026
The tide is currently rising in Sitka, AK.

Next low tide : 7:47 am (-0.7 ft)
Next high tide : in 4h 04m at 1:19 am (10.0 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 5:54 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #9451600
Common Questions About Tides

Sitka, AK Tides - Aug 2026

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Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sat	2:47	9.6	3:46	9.1	9:19	-0.9	9:34	1.8	5:01	9:14		1	Sat
2	Sun	3:26	9.1	4:15	9.3	9:49	-0.4	10:15	1.5	5:03	9:12		2	Sun
3	Mon	4:08	8.5	4:46	9.5	10:19	0.4	11:02	1.3	5:05	9:10		3	Mon
4	Tue	4:58	7.8	5:22	9.6	10:53	1.3	11:56	1.2	5:07	9:07		4	Tue
5	Wed	5:58	7.0	6:05	9.7	11:31	2.4			5:09	9:05		5	Wed
6	Thu	7:15	6.4	7:00	9.7	1:02	1.0	12:21	3.4	5:11	9:03		6	Thu
7	Fri	8:53	6.2	8:08	9.7	2:21	0.8	1:33	4.2	5:13	9:01		7	Fri
8	Sat	10:29	6.6	9:24	9.9	3:41	0.2	3:06	4.5	5:15	8:58		8	Sat
9	Sun	11:38	7.3	10:36	10.4	4:50	-0.6	4:31	4.2	5:17	8:56		9	Sun
10	Mon			12:29	8.1	5:47	-1.4	5:38	3.5	5:19	8:54		10	Mon
11	Tue			1:11	8.8	6:37	-2.0	6:34	2.6	5:21	8:51		11	Tue
12	Wed	12:35	11.2	1:50	9.4	7:21	-2.3	7:25	1.8	5:23	8:49		12	Wed
13	Thu	1:25	11.2	2:26	9.8	8:02	-2.2	8:12	1.1	5:25	8:46		13	Thu
14	Fri	2:12	10.9	3:01	10.1	8:40	-1.8	8:57	0.7	5:27	8:44		14	Fri
15	Sat	2:57	10.3	3:36	10.2	9:16	-1.0	9:42	0.5	5:29	8:42		15	Sat
16	Sun	3:43	9.5	4:09	10.1	9:50	0.0	10:26	0.6	5:31	8:39		16	Sun
17	Mon	4:29	8.5	4:43	9.8	10:23	1.1	11:12	0.9	5:33	8:37		17	Mon
18	Tue	5:19	7.6	5:19	9.3	10:57	2.3			5:35	8:34		18	Tue
19	Wed	6:19	6.7	5:59	8.9	12:04	1.3	11:33 AM	3.5	5:37	8:32		19	Wed
20	Thu	7:37	6.1	6:50	8.4	1:07	1.7	12:18	4.4	5:39	8:29		20	Thu
21	Fri	9:23	6.0	8:00	8.1	2:27	1.9	1:34	5.1	5:41	8:26		21	Fri
22	Sat	10:56	6.4	9:20	8.2	3:48	1.7	3:20	5.2	5:43	8:24		22	Sat
23	Sun	11:47	6.9	10:28	8.5	4:51	1.3	4:36	4.9	5:46	8:21		23	Sun
24	Mon			12:21	7.4	5:38	0.7	5:28	4.2	5:48	8:19		24	Mon
25	Tue			12:50	7.9	6:15	0.1	6:09	3.5	5:50	8:16		25	Tue
26	Wed	12:03	9.4	1:16	8.4	6:48	-0.4	6:46	2.8	5:52	8:13		26	Wed
27	Thu	12:42	9.8	1:41	8.9	7:18	-0.7	7:21	2.1	5:54	8:11		27	Thu
28	Fri	1:19	10.0	2:07	9.4	7:47	-0.7	7:57	1.4	5:56	8:08		28	Fri
29	Sat	1:56	10.0	2:33	9.8	8:16	-0.5	8:33	0.8	5:58	8:06		29	Sat
30	Sun	2:34	9.8	3:00	10.1	8:45	-0.1	9:11	0.3	6:00	8:03		30	Sun
31	Mon	3:14	9.4	3:29	10.4	9:15	0.6	9:51	0.1	6:02	8:00		31	Mon
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9451600)

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When is the lowest tide this week in Sitka, AK?

The lowest tide this week in Sitka, AK is -0.7 ft on Friday, Aug 28 at 7:47 am.

When is the highest tide this week in Sitka, AK?

The highest tide this week in Sitka, AK is 10.4 ft on Monday, Aug 31 at 3:29 pm — worth noting for launching your boat and being alert for possible high tide flooding.

Is this week a spring tide or neap tide in Sitka, AK?

Sitka, AK is currently in a spring phase. Tonight's moon is 100% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Sitka, AK tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Sitka, AK?

Tide predictions for Sitka, AK come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Sitka, AK?

Tide data for Sitka, AK is sourced from NOAA Station #9451600. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9451600.

What time is high tide in Sitka, AK today?

High tides in Sitka, AK today: 1:19 am (10.0 ft), 2:07 pm (9.4 ft). The 1:19 am high of 10.0 ft is notably higher than the other — known as diurnal inequality, common on coasts influenced by lunar declination.

What time is low tide in Sitka, AK today?

Low tides in Sitka, AK today: 7:47 am (-0.7 ft), 7:57 pm (1.4 ft). The 7:47 am low of -0.7 ft is a minus tide — water below the MLLW reference datum, which can expose tidepools, mudflats, and shellfish beds not normally accessible.

What is the tidal range in Sitka, AK today?

Today's tidal range in Sitka, AK is 10.7 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 9.5 ft, so today's swing is above-average.

What is the moon phase in Sitka, AK tonight?

Tonight the moon over Sitka, AK is Full Moon (100% illuminated). This places Sitka, AK in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

What type of tides does Sitka, AK have — semi-diurnal, diurnal, or mixed?

Sitka, AK has semi-diurnal tides — two high tides and two low tides roughly every 24 hours and 50 minutes, with similar heights.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA

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