Tides Today & Tomorrow in Symonds Bay, Biorka Island, AK

TIDE TIMES for Wednesday, September 2, 2026
The tide is currently rising in Symonds Bay, Biorka Island, AK.

Next low tide : 10:06 am (2.5 ft)
Next high tide : in 6h 06m at 4:34 am (7.9 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 6:05 am
Moon phase : Waning Gibbous (77% illuminated)
Tide Station Location : Station #9451468
Common Questions About Tides

Symonds Bay, Biorka Island, AK Tides - Dec 1909

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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	Wed	2:34	9.1	1:40	10.2	7:51	4.4	8:37	-0.3	7:14	2:28		1	Wed
2	Thu	3:29	8.7	2:31	9.2	8:48	4.8	9:27	0.6	7:15	2:27		2	Thu
3	Fri	4:27	8.5	3:31	8.2	9:57	4.9	10:22	1.4	7:17	2:26		3	Fri
4	Sat	5:27	8.4	4:46	7.4	11:20	4.7	11:22	2.1	7:19	2:25		4	Sat
5	Sun	6:23	8.5	6:09	7.0			12:42	4.1	7:20	2:24		5	Sun
6	Mon	7:11	8.8	7:28	7.0	12:22	2.6	1:45	3.3	7:22	2:24		6	Mon
7	Tue	7:51	9.1	8:33	7.2	1:16	3.0	2:32	2.4	7:23	2:23		7	Tue
8	Wed	8:27	9.6	9:25	7.6	2:04	3.3	3:12	1.5	7:25	2:23		8	Wed
9	Thu	8:59	10.0	10:10	8.1	2:46	3.5	3:47	0.7	7:26	2:22		9	Thu
10	Fri	9:32	10.4	10:50	8.5	3:25	3.7	4:22	0.1	7:27	2:22		10	Fri
11	Sat	10:04	10.7	11:29	8.8	4:03	3.9	4:56	-0.4	7:28	2:21		11	Sat
12	Sun	10:37	10.9			4:40	4.0	5:31	-0.8	7:30	2:21		12	Sun
13	Mon	12:06	8.9	11:11 AM	11.1	5:17	4.1	6:07	-1.0	7:31	2:21		13	Mon
14	Tue	12:45	9.0	11:47 AM	11.0	5:55	4.2	6:45	-1.1	7:32	2:21		14	Tue
15	Wed	1:25	9.0	12:26	10.8	6:35	4.3	7:25	-0.9	7:33	2:21		15	Wed
16	Thu	2:08	8.9	1:08	10.4	7:20	4.4	8:07	-0.6	7:34	2:21		16	Thu
17	Fri	2:55	8.8	1:57	9.8	8:11	4.4	8:53	-0.2	7:35	2:21		17	Fri
18	Sat	3:45	8.9	2:56	9.0	9:14	4.3	9:44	0.5	7:35	2:21		18	Sat
19	Sun	4:38	9.1	4:08	8.2	10:29	4.0	10:40	1.2	7:36	2:21		19	Sun
20	Mon	5:32	9.4	5:33	7.6	11:50	3.2	11:41	2.0	7:37	2:22		20	Mon
21	Tue	6:26	10.0	7:02	7.5			1:05	2.1	7:37	2:22		21	Tue
22	Wed	7:18	10.5	8:22	7.8	12:45	2.6	2:08	0.9	7:38	2:23		22	Wed
23	Thu	8:08	11.1	9:29	8.4	1:47	3.1	3:03	-0.3	7:38	2:23		23	Thu
24	Fri	8:56	11.6	10:25	8.9	2:44	3.4	3:52	-1.2	7:39	2:24		24	Fri
25	Sat	9:43	12.0	11:15	9.4	3:38	3.6	4:39	-1.8	7:39	2:25		25	Sat
26	Sun	10:29	12.1			4:29	3.7	5:24	-2.1	7:39	2:25		26	Sun
27	Mon	12:02	9.6	11:13 AM	11.9	5:17	3.7	6:07	-2.0	7:39	2:26		27	Mon
28	Tue	12:46	9.7	11:57 AM	11.6	6:04	3.8	6:49	-1.7	7:39	2:27		28	Tue
29	Wed	1:28	9.6	12:40	11.0	6:49	3.9	7:30	-1.1	7:39	2:28		29	Wed
30	Thu	2:11	9.4	1:23	10.2	7:36	4.0	8:09	-0.4	7:39	2:29		30	Thu
31	Fri	2:53	9.1	2:08	9.3	8:24	4.1	8:49	0.5	7:39	2:30		31	Fri
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9451468)

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Is this week a spring tide or neap tide in Symonds Bay, Biorka Island, AK?

Symonds Bay, Biorka Island, AK is currently in a transitional phase. Tonight's moon is 77% 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 shifting between spring and neap.

What datum are Symonds Bay, Biorka Island, 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 Symonds Bay, Biorka Island, AK?

Tide predictions for Symonds Bay, Biorka Island, 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 Symonds Bay, Biorka Island, AK?

Tide data for Symonds Bay, Biorka Island, AK is sourced from NOAA Station #9451468. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9451468.

What is the moon phase in Symonds Bay, Biorka Island, AK tonight?

Tonight the moon over Symonds Bay, Biorka Island, AK is Waning Gibbous (77% illuminated). This places Symonds Bay, Biorka Island, AK in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

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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