Name: Knappa Tides – Sep 2026
Start: 2026-09-01T00:00:00-07:00
End: 2026-09-30T23:59:59-07:00
Location: Knappa

Knappa Tide Chart for (Tue) September 1, 2026

Restricted days available with membership — details below.

Knappa Tide Chart for (Wed) September 2, 2026

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Knappa Tide Chart for (Thu) September 3, 2026

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Knappa Tide Chart for (Fri) September 4, 2026

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Knappa Tide Chart for (Sat) September 5, 2026

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Knappa Tide Chart for (Sun) September 6, 2026

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Knappa Tide Chart for (Mon) September 7, 2026

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Knappa Tide Chart for (Tue) September 8, 2026

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Knappa Tide Chart for (Wed) September 9, 2026

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Knappa Tide Chart for (Thu) September 10, 2026

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Knappa Tide Chart for (Fri) September 11, 2026

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Knappa Tide Chart for (Sat) September 12, 2026

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Knappa Tide Chart for (Sun) September 13, 2026

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Knappa Tide Chart for (Mon) September 14, 2026

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Knappa Tide Chart for (Tue) September 15, 2026

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Knappa Tide Chart for (Wed) September 16, 2026

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Knappa Tide Chart for (Thu) September 17, 2026

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Knappa Tide Chart for (Fri) September 18, 2026

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Knappa Tide Chart for (Sat) September 19, 2026

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Knappa Tide Chart for (Sun) September 20, 2026

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Knappa Tide Chart for (Mon) September 21, 2026

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Knappa Tide Chart for (Tue) September 22, 2026

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Knappa Tide Chart for (Wed) September 23, 2026

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Knappa Tide Chart for (Thu) September 24, 2026

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Knappa Tide Chart for (Fri) September 25, 2026

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Knappa Tide Chart for (Sat) September 26, 2026

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Knappa Tide Chart for (Sun) September 27, 2026

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Knappa Tide Chart for (Mon) September 28, 2026

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Knappa Tide Chart for (Tue) September 29, 2026

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Knappa Tide Chart for (Wed) September 30, 2026

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Sun

Mon

Tue

Wed

Thu

Fri

Sat

Knappa Tide Table for September 2026

View tide tables in a column-row format below, with a "diff" column to spot large tide height swings—great for anglers. Scroll down for a textual format, ideal for reading or sharing.

-	diff	Tides			diff	Tides			diff	Tides			diff	Tides			diff	Sun	Moon
9/1	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/2	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/3	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/4	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/5	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/6	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/7	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/8	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/9	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/10	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/11	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/12	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/13	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/14	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/15	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/16	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/17	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/18	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/19	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/20	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/21	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/22	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/23	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/24	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/25	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/26	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/27	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/28	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/29	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	3'3"	00:00-13:11	00:00-13:11
9/30	0'0"	L	4'6"	1:23AM	0'0"	H	5'7"	2:34AM	0'0"	L	6'8"	3:45PM	0'0"	H	7'9"	4:56PM	N/A	00:00-13:11	00:00-13:11

Knappa Textual Tide Table for September 2026

Sep 1st (Tue)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 2nd (Wed)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 3rd (Thu)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 4th (Fri)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 5th (Sat)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 6th (Sun)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 7th (Mon)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 8th (Tue)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 9th (Wed)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 10th (Thu)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 11th (Fri)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 12th (Sat)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 13th (Sun)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 14th (Mon)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 15th (Tue)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 16th (Wed)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 17th (Thu)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 18th (Fri)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 19th (Sat)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 20th (Sun)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 21st (Mon)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 22nd (Tue)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 23rd (Wed)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 24th (Thu)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 25th (Fri)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 26th (Sat)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 27th (Sun)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 28th (Mon)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 29th (Tue)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Sep 30th (Wed)

Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

Restricted days available with membership — details below.

H	5:15 am	6'8"
L	11:29 am	0'11"
H	5:07 pm	8'4"
Sun:	6:35 am - 7:52 pm
Moon:	9:30 pm - 11:58 am

L	12:24 am	-0'0"
H	6:10 am	6'1"
L	12:06 pm	1'5"
H	5:44 pm	8'4"
Sun:	6:36 am - 7:50 pm
Moon:	10:02 pm - 1:18 pm

L	1:19 am	-0'0"
H	7:17 am	5'7"
L	12:51 pm	2'0"
H	6:31 pm	8'1"
Sun:	6:37 am - 7:48 pm
Moon:	10:45 pm - 2:37 pm

L	2:27 am	0'0"
H	8:39 am	5'2"
L	1:51 pm	2'7"
H	7:31 pm	7'10"
Sun:	6:38 am - 7:46 pm
Moon:	11:41 pm - 3:49 pm

L	3:49 am	0'0"
H	10:05 am	5'3"
L	3:16 pm	2'11"
H	8:50 pm	7'7"
Sun:	6:40 am - 7:44 pm
Moon:	12:00 am - 4:49 pm

L	5:10 am	-0'1"
H	11:19 am	5'8"
L	4:47 pm	2'9"
H	10:16 pm	7'7"
Sun:	6:41 am - 7:42 pm
Moon:	12:51 am - 5:36 pm

L	6:18 am	-0'5"
H	12:18 pm	6'3"
L	6:05 pm	2'4"
H	11:31 pm	7'9"
Sun:	6:42 am - 7:40 pm
Moon:	2:11 am - 6:11 pm

L	7:13 am	-0'8"
H	1:05 pm	6'10"
L	7:09 pm	1'8"
Sun:	6:43 am - 7:38 pm
Moon:	3:33 am - 6:38 pm

H	12:35 am	8'0"
L	7:59 am	-0'10"
H	1:47 pm	7'4"
L	8:04 pm	1'0"
Sun:	6:45 am - 7:37 pm
Moon:	4:55 am - 7:00 pm

H	1:30 am	8'2"
L	8:41 am	-0'9"
H	2:25 pm	7'10"
L	8:53 pm	0'6"
Sun:	6:46 am - 7:35 pm
Moon:	6:13 am - 7:19 pm

H	2:21 am	8'1"
L	9:19 am	-0'6"
H	3:00 pm	8'1"
L	9:40 pm	0'1"
Sun:	6:47 am - 7:33 pm
Moon:	7:29 am - 7:37 pm

H	3:09 am	7'10"
L	9:54 am	-0'1"
H	3:32 pm	8'3"
L	10:23 pm	-0'1"
Sun:	6:48 am - 7:31 pm
Moon:	8:43 am - 7:54 pm

H	3:55 am	7'6"
L	10:27 am	0'4"
H	4:03 pm	8'3"
L	11:05 pm	-0'3"
Sun:	6:50 am - 7:29 pm
Moon:	9:55 am - 8:14 pm

H	4:40 am	7'0"
L	11:00 am	0'11"
H	4:32 pm	8'2"
L	11:46 pm	-0'2"
Sun:	6:51 am - 7:27 pm
Moon:	11:07 am - 8:36 pm

H	5:27 am	6'6"
L	11:33 am	1'5"
H	5:01 pm	7'11"
Sun:	6:52 am - 7:25 pm
Moon:	12:18 pm - 9:03 pm

L	12:29 am	-0'0"
H	6:17 am	6'0"
L	12:08 pm	2'0"
H	5:31 pm	7'7"
Sun:	6:53 am - 7:23 pm
Moon:	1:26 pm - 9:36 pm

L	1:15 am	0'3"
H	7:15 am	5'7"
L	12:48 pm	2'6"
H	6:08 pm	7'3"
Sun:	6:55 am - 7:21 pm
Moon:	2:29 pm - 10:18 pm

L	2:10 am	0'6"
H	8:23 am	5'3"
L	1:41 pm	2'11"
H	6:57 pm	6'10"
Sun:	6:56 am - 7:19 pm
Moon:	3:23 pm - 11:09 pm

L	3:19 am	0'9"
H	9:38 am	5'3"
L	2:55 pm	3'2"
H	8:06 pm	6'6"
Sun:	6:57 am - 7:17 pm
Moon:	4:09 pm - 12:00 am

L	4:32 am	0'9"
H	10:46 am	5'6"
L	4:17 pm	3'1"
H	9:29 pm	6'5"
Sun:	6:59 am - 7:15 pm
Moon:	4:45 pm - 12:09 am

L	5:36 am	0'6"
H	11:39 am	5'11"
L	5:28 pm	2'9"
H	10:43 pm	6'7"
Sun:	7:00 am - 7:13 pm
Moon:	5:14 pm - 1:14 am

L	6:26 am	0'4"
H	12:22 pm	6'4"
L	6:26 pm	2'3"
H	11:43 pm	6'11"
Sun:	7:01 am - 7:11 pm
Moon:	5:37 pm - 2:23 am

L	7:07 am	0'1"
H	12:57 pm	6'10"
L	7:15 pm	1'8"
Sun:	7:02 am - 7:09 pm
Moon:	5:57 pm - 3:34 am

H	12:35 am	7'3"
L	7:43 am	0'0"
H	1:29 pm	7'3"
L	7:58 pm	1'1"
Sun:	7:04 am - 7:07 pm
Moon:	6:16 pm - 4:44 am

H	1:22 am	7'5"
L	8:16 am	0'1"
H	1:58 pm	7'8"
L	8:39 pm	0'6"
Sun:	7:05 am - 7:05 pm
Moon:	6:33 pm - 5:56 am

H	2:06 am	7'6"
L	8:48 am	0'3"
H	2:26 pm	8'1"
L	9:18 pm	0'0"
Sun:	7:06 am - 7:03 pm
Moon:	6:51 pm - 7:09 am

H	2:51 am	7'6"
L	9:20 am	0'6"
H	2:54 pm	8'5"
L	9:57 pm	-0'4"
Sun:	7:08 am - 7:01 pm
Moon:	7:11 pm - 8:25 am

H	3:36 am	7'4"
L	9:52 am	0'10"
H	3:23 pm	8'8"
L	10:37 pm	-0'8"
Sun:	7:09 am - 6:59 pm
Moon:	7:34 pm - 9:43 am

H	4:24 am	7'0"
L	10:27 am	1'3"
H	3:55 pm	8'10"
L	11:20 pm	-0'9"
Sun:	7:10 am - 6:57 pm
Moon:	8:04 pm - 11:04 am

Knappa Tide Chart for (Tue) September 1, 2026

Knappa Tide Chart for (Wed) September 2, 2026

Knappa Tide Chart for (Thu) September 3, 2026

Knappa Tide Chart for (Fri) September 4, 2026

Knappa Tide Chart for (Sat) September 5, 2026

Knappa Tide Chart for (Sun) September 6, 2026

Knappa Tide Chart for (Mon) September 7, 2026

Knappa Tide Chart for (Tue) September 8, 2026

Knappa Tide Chart for (Wed) September 9, 2026

Knappa Tide Chart for (Thu) September 10, 2026

Knappa Tide Chart for (Fri) September 11, 2026

Knappa Tide Chart for (Sat) September 12, 2026

Knappa Tide Chart for (Sun) September 13, 2026

Knappa Tide Chart for (Mon) September 14, 2026

Knappa Tide Chart for (Tue) September 15, 2026

Knappa Tide Chart for (Wed) September 16, 2026

Knappa Tide Chart for (Thu) September 17, 2026

Knappa Tide Chart for (Fri) September 18, 2026

Knappa Tide Chart for (Sat) September 19, 2026

Knappa Tide Chart for (Sun) September 20, 2026

Knappa Tide Chart for (Mon) September 21, 2026

Knappa Tide Chart for (Tue) September 22, 2026

Knappa Tide Chart for (Wed) September 23, 2026

Knappa Tide Chart for (Thu) September 24, 2026

Knappa Tide Chart for (Fri) September 25, 2026

Knappa Tide Chart for (Sat) September 26, 2026

Knappa Tide Chart for (Sun) September 27, 2026

Knappa Tide Chart for (Mon) September 28, 2026

Knappa Tide Chart for (Tue) September 29, 2026

Knappa Tide Chart for (Wed) September 30, 2026

Knappa Tide Calendar | September 2026

Knappa Tide Table for September 2026

Knappa Textual Tide Table for September 2026

Oregon Tides Map

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NOAA/NWS Forecast for Knappa

Marine Forecast (PZZ210)

Land Forecast (ORZ101)

ODFW

Oregon State Parks

Columbia River Lower Section Boating Overview (Other)

Knappa Slough Columbia River Shore Access (Other)

Lower Columbia River Boating Guide Oregon Marine Board (Other)

H	5:14 am	6'8"
L	11:04 am	1'9"
H	4:31 pm	8'9"
Sun:	7:11 am - 6:55 pm
Moon:	8:44 pm - 12:25 pm