Knappa Tides August 2025 | Tide Charts & Tables | Columbia River, OR

Knappa Tide Chart for (Fri) August 1, 2025

Knappa tide chart for Friday, August 1, 2025
Knappa tides for Aug 1st, the sunrise is 5:56am-8:43pm and the tide times are L 2:43am 1'2" H 8:17am 5'3" L 2:06pm 2'1" H 7:58pm 7'3" .

Knappa Tide Chart for (Sat) August 2, 2025

Knappa tide chart for Saturday, August 2, 2025
Knappa tides for Aug 2nd, the sunrise is 5:57am-8:42pm and the tide times are L 3:47am 1'0" H 9:34am 5'0" L 2:58pm 2'7" H 8:45pm 7'3" .

Knappa Tide Chart for (Sun) August 3, 2025

Knappa tide chart for Sunday, August 3, 2025
Knappa tides for Aug 3rd, the sunrise is 5:59am-8:40pm and the tide times are L 4:54am 0'9" H 10:50am 5'1" L 4:03pm 2'11" H 9:40pm 7'3" .

Knappa Tide Chart for (Mon) August 4, 2025

Knappa tide chart for Monday, August 4, 2025
Knappa tides for Aug 4th, the sunrise is 6:00am-8:39pm and the tide times are L 5:57am 0'4" H 11:57am 5'4" L 5:12pm 3'1" H 10:38pm 7'4" .

Knappa Tide Chart for (Tue) August 5, 2025

Knappa tide chart for Tuesday, August 5, 2025
Knappa tides for Aug 5th, the sunrise is 6:01am-8:38pm and the tide times are L 6:52am 0'0" H 12:52pm 5'9" L 6:16pm 3'0" H 11:35pm 7'6" .

Knappa Tide Chart for (Wed) August 6, 2025

Knappa tide chart for Wednesday, August 6, 2025
Knappa tides for Aug 6th, the sunrise is 6:02am-8:36pm and the tide times are L 7:40am -0'4" H 1:38pm 6'1" L 7:12pm 2'9" .

Knappa Tide Chart for (Thu) August 7, 2025

Knappa tide chart for Thursday, August 7, 2025
Knappa tides for Aug 7th, the sunrise is 6:04am-8:35pm and the tide times are H 12:27am 7'9" L 8:22am -0'7" H 2:19pm 6'5" L 8:02pm 2'6" .

Knappa Tide Chart for (Fri) August 8, 2025

Knappa tide chart for Friday, August 8, 2025
Knappa tides for Aug 8th, the sunrise is 6:05am-8:33pm and the tide times are H 1:16am 8'0" L 9:00am -0'10" H 2:56pm 6'9" L 8:48pm 2'2" .

Knappa Tide Chart for (Sat) August 9, 2025

Knappa tide chart for Saturday, August 9, 2025
Knappa tides for Aug 9th, the sunrise is 6:06am-8:31pm and the tide times are H 2:02am 8'3" L 9:35am -0'11" H 3:30pm 7'0" L 9:32pm 1'9" .

Knappa Tide Chart for (Sun) August 10, 2025

Knappa tide chart for Sunday, August 10, 2025
Knappa tides for Aug 10th, the sunrise is 6:07am-8:30pm and the tide times are H 2:48am 8'3" L 10:09am -0'11" H 4:02pm 7'4" L 10:16pm 1'4" .

Knappa Tide Chart for (Mon) August 11, 2025

Knappa tide chart for Monday, August 11, 2025
Knappa tides for Aug 11th, the sunrise is 6:09am-8:28pm and the tide times are H 3:34am 8'2" L 10:42am -0'9" H 4:33pm 7'9" L 11:00pm 0'11" .

Knappa Tide Chart for (Tue) August 12, 2025

Knappa tide chart for Tuesday, August 12, 2025
Knappa tides for Aug 12th, the sunrise is 6:10am-8:27pm and the tide times are H 4:21am 7'10" L 11:15am -0'4" H 5:05pm 8'0" L 11:46pm 0'7" .

Knappa Tide Chart for (Wed) August 13, 2025

Knappa tide chart for Wednesday, August 13, 2025
Knappa tides for Aug 13th, the sunrise is 6:11am-8:25pm and the tide times are H 5:11am 7'4" L 11:50am 0'1" H 5:38pm 8'3" .

Knappa Tide Chart for (Thu) August 14, 2025

Knappa tide chart for Thursday, August 14, 2025
Knappa tides for Aug 14th, the sunrise is 6:12am-8:24pm and the tide times are L 12:37am 0'4" H 6:07am 6'8" L 12:27pm 0'8" H 6:15pm 8'4" .

Knappa Tide Chart for (Fri) August 15, 2025

Knappa tide chart for Friday, August 15, 2025
Knappa tides for Aug 15th, the sunrise is 6:14am-8:22pm and the tide times are L 1:34am 0'2" H 7:13am 5'11" L 1:11pm 1'4" H 7:00pm 8'4" .

Knappa Tide Chart for (Sat) August 16, 2025

Knappa tide chart for Saturday, August 16, 2025
Knappa tides for Aug 16th, the sunrise is 6:15am-8:20pm and the tide times are L 2:40am 0'1" H 8:32am 5'5" L 2:05pm 2'0" H 7:54pm 8'2" .

Knappa Tide Chart for (Sun) August 17, 2025

Knappa tide chart for Sunday, August 17, 2025
Knappa tides for Aug 17th, the sunrise is 6:16am-8:19pm and the tide times are L 3:57am 0'0" H 9:57am 5'3" L 3:15pm 2'7" H 9:00pm 7'11" .

Knappa Tide Chart for (Mon) August 18, 2025

Knappa tide chart for Monday, August 18, 2025
Knappa tides for Aug 18th, the sunrise is 6:17am-8:17pm and the tide times are L 5:15am -0'2" H 11:17am 5'6" L 4:37pm 2'9" H 10:14pm 7'10" .

Knappa Tide Chart for (Tue) August 19, 2025

Knappa tide chart for Tuesday, August 19, 2025
Knappa tides for Aug 19th, the sunrise is 6:19am-8:15pm and the tide times are L 6:24am -0'6" H 12:23pm 5'11" L 5:55pm 2'8" H 11:24pm 7'11" .

Knappa Tide Chart for (Wed) August 20, 2025

Knappa tide chart for Wednesday, August 20, 2025
Knappa tides for Aug 20th, the sunrise is 6:20am-8:14pm and the tide times are L 7:22am -0'10" H 1:17pm 6'5" L 7:02pm 2'3" .

Knappa Tide Chart for (Thu) August 21, 2025

Knappa tide chart for Thursday, August 21, 2025
Knappa tides for Aug 21st, the sunrise is 6:21am-8:12pm and the tide times are H 12:27am 8'1" L 8:11am -1'0" H 2:02pm 6'10" L 7:59pm 1'10" .

Knappa Tide Chart for (Fri) August 22, 2025

Knappa tide chart for Friday, August 22, 2025
Knappa tides for Aug 22nd, the sunrise is 6:22am-8:10pm and the tide times are H 1:22am 8'2" L 8:53am -1'0" H 2:42pm 7'2" L 8:49pm 1'6" .

Knappa Tide Chart for (Sat) August 23, 2025

Knappa tide chart for Saturday, August 23, 2025
Knappa tides for Aug 23rd, the sunrise is 6:24am-8:08pm and the tide times are H 2:11am 8'1" L 9:32am -0'10" H 3:18pm 7'5" L 9:36pm 1'1" .

Knappa Tide Chart for (Sun) August 24, 2025

Knappa tide chart for Sunday, August 24, 2025
Knappa tides for Aug 24th, the sunrise is 6:25am-8:06pm and the tide times are H 2:57am 7'11" L 10:06am -0'6" H 3:51pm 7'6" L 10:19pm 0'10" .

Knappa Tide Chart for (Mon) August 25, 2025

Knappa tide chart for Monday, August 25, 2025
Knappa tides for Aug 25th, the sunrise is 6:26am-8:05pm and the tide times are H 3:40am 7'7" L 10:37am -0'2" H 4:20pm 7'7" L 10:59pm 0'8" .

Knappa Tide Chart for (Tue) August 26, 2025

Knappa tide chart for Tuesday, August 26, 2025
Knappa tides for Aug 26th, the sunrise is 6:27am-8:03pm and the tide times are H 4:22am 7'2" L 11:06am 0'3" H 4:47pm 7'8" L 11:38pm 0'7" .

Knappa Tide Chart for (Wed) August 27, 2025

Knappa tide chart for Wednesday, August 27, 2025
Knappa tides for Aug 27th, the sunrise is 6:29am-8:01pm and the tide times are H 5:04am 6'9" L 11:34am 0'9" H 5:12pm 7'7" .

Knappa Tide Chart for (Thu) August 28, 2025

Knappa tide chart for Thursday, August 28, 2025
Knappa tides for Aug 28th, the sunrise is 6:30am-7:59pm and the tide times are L 12:17am 0'6" H 5:49am 6'2" L 12:03pm 1'4" H 5:38pm 7'6" .

Knappa Tide Chart for (Fri) August 29, 2025

Knappa tide chart for Friday, August 29, 2025
Knappa tides for Aug 29th, the sunrise is 6:31am-7:57pm and the tide times are L 12:59am 0'7" H 6:41am 5'8" L 12:34pm 1'11" H 6:08pm 7'4" .

Knappa Tide Chart for (Sat) August 30, 2025

Knappa tide chart for Saturday, August 30, 2025
Knappa tides for Aug 30th, the sunrise is 6:32am-7:55pm and the tide times are L 1:47am 0'8" H 7:44am 5'2" L 1:12pm 2'5" H 6:45pm 7'2" .

Knappa Tide Chart for (Sun) August 31, 2025

Knappa tide chart for Sunday, August 31, 2025
Knappa tides for Aug 31st, the sunrise is 6:34am-7:53pm and the tide times are L 2:48am 0'9" H 9:00am 4'11" L 2:06pm 2'10" H 7:36pm 6'11" .

Knappa Tide Calendar | August 2025

Sun Mon Tue Wed Thu Fri Sat
 
Knappa tide chart for Friday, August 1, 2025
Knappa tide chart for Saturday, August 2, 2025
Knappa tide chart for Sunday, August 3, 2025
Knappa tide chart for Monday, August 4, 2025
Knappa tide chart for Tuesday, August 5, 2025
Knappa tide chart for Wednesday, August 6, 2025
Knappa tide chart for Thursday, August 7, 2025
Knappa tide chart for Friday, August 8, 2025
Knappa tide chart for Saturday, August 9, 2025
Knappa tide chart for Sunday, August 10, 2025
Knappa tide chart for Monday, August 11, 2025
Knappa tide chart for Tuesday, August 12, 2025
Knappa tide chart for Wednesday, August 13, 2025
Knappa tide chart for Thursday, August 14, 2025
Knappa tide chart for Friday, August 15, 2025
Knappa tide chart for Saturday, August 16, 2025
Knappa tide chart for Sunday, August 17, 2025
Knappa tide chart for Monday, August 18, 2025
Knappa tide chart for Tuesday, August 19, 2025
Knappa tide chart for Wednesday, August 20, 2025
Knappa tide chart for Thursday, August 21, 2025
Knappa tide chart for Friday, August 22, 2025
Knappa tide chart for Saturday, August 23, 2025
Knappa tide chart for Sunday, August 24, 2025
Knappa tide chart for Monday, August 25, 2025
Knappa tide chart for Tuesday, August 26, 2025
Knappa tide chart for Wednesday, August 27, 2025
Knappa tide chart for Thursday, August 28, 2025
Knappa tide chart for Friday, August 29, 2025
Knappa tide chart for Saturday, August 30, 2025
Knappa tide chart for Sunday, August 31, 2025
 

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Knappa Tide Table for August 2025

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
8/1 N/A L 1'2" 2:43AM 4'1" H 5'3" 8:17AM 3'2" L 2'1" 2:06PM 5'2" H 7'3" 7:58PM 6'3" 05:56-20:43 14:42-23:50
8/2 6'3" L 1'0" 3:47AM 4'0" H 5'0" 9:34AM 2'5" L 2'7" 2:58PM 4'7" H 7'3" 8:45PM 6'6" 05:57-20:42 15:49-00:00
8/3 6'6" L 0'9" 4:54AM 4'4" H 5'1" 10:50AM 2'1" L 2'11" 4:03PM 4'3" H 7'3" 9:40PM 6'10" 05:59-20:40 16:56-00:17
8/4 6'10" L 0'4" 5:57AM 5'0" H 5'4" 11:57AM 2'3" L 3'1" 5:12PM 4'2" H 7'4" 10:38PM 7'4" 06:00-20:39 17:58-00:53
8/5 7'4" L 0'0" 6:52AM 5'9" H 5'9" 12:52PM 2'8" L 3'0" 6:16PM 4'6" H 7'6" 11:35PM 7'11" 06:01-20:38 18:53-01:39
8/6 7'11" L -0'4" 7:40AM 6'5" H 6'1" 1:38PM 3'3" L 2'9" 7:12PM 4'11" - - - - 06:02-20:36 19:37-02:37
8/7 4'11" H 7'9" 12:27AM 8'5" L -0'7" 8:22AM 7'1" H 6'5" 2:19PM 3'11" L 2'6" 8:02PM 5'6" 06:04-20:35 20:13-03:45
8/8 5'6" H 8'0" 1:16AM 8'11" L -0'10" 9:00AM 7'7" H 6'9" 2:56PM 4'6" L 2'2" 8:48PM 6'0" 06:05-20:33 20:40-05:00
8/9 6'0" H 8'3" 2:02AM 9'2" L -0'11" 9:35AM 8'0" H 7'0" 3:30PM 5'3" L 1'9" 9:32PM 6'6" 06:06-20:31 21:03-06:18
8/10 6'6" H 8'3" 2:48AM 9'3" L -0'11" 10:09AM 8'4" H 7'4" 4:02PM 6'0" L 1'4" 10:16PM 6'9" 06:07-20:30 21:22-07:36
8/11 6'9" H 8'2" 3:34AM 8'11" L -0'9" 10:42AM 8'6" H 7'9" 4:33PM 6'9" L 0'11" 11:00PM 6'11" 06:09-20:28 21:40-08:53
8/12 6'11" H 7'10" 4:21AM 8'3" L -0'4" 11:15AM 8'5" H 8'0" 5:05PM 7'5" L 0'7" 11:46PM 6'9" 06:10-20:27 21:58-10:11
8/13 6'9" H 7'4" 5:11AM 7'3" L 0'1" 11:50AM 8'2" H 8'3" 5:38PM 7'11" - - - - 06:11-20:25 22:18-11:30
8/14 7'11" L 0'4" 12:37AM 6'4" H 6'8" 6:07AM 5'11" L 0'8" 12:27PM 7'8" H 8'4" 6:15PM 8'2" 06:12-20:24 22:41-12:51
8/15 8'2" L 0'2" 1:34AM 5'9" H 5'11" 7:13AM 4'6" L 1'4" 1:11PM 6'11" H 8'4" 7:00PM 8'2" 06:14-20:22 23:10-14:14
8/16 8'2" L 0'1" 2:40AM 5'3" H 5'5" 8:32AM 3'4" L 2'0" 2:05PM 6'1" H 8'2" 7:54PM 8'2" 06:15-20:20 23:49-15:35
8/17 8'2" L 0'0" 3:57AM 5'3" H 5'3" 9:57AM 2'8" L 2'7" 3:15PM 5'4" H 7'11" 9:00PM 8'2" 06:16-20:19 00:00-16:51
8/18 8'2" L -0'2" 5:15AM 5'8" H 5'6" 11:17AM 2'8" L 2'9" 4:37PM 5'1" H 7'10" 10:14PM 8'5" 06:17-20:17 00:40-17:55
8/19 8'5" L -0'6" 6:24AM 6'6" H 5'11" 12:23PM 3'3" L 2'8" 5:55PM 5'3" H 7'11" 11:24PM 8'9" 06:19-20:15 01:44-18:45
8/20 8'9" L -0'10" 7:22AM 7'3" H 6'5" 1:17PM 4'1" L 2'3" 7:02PM 5'9" - - - - 06:20-20:14 02:58-19:22
8/21 5'9" H 8'1" 12:27AM 9'1" L -1'0" 8:11AM 7'10" H 6'10" 2:02PM 4'11" L 1'10" 7:59PM 6'3" 06:21-20:12 04:15-19:49
8/22 6'3" H 8'2" 1:22AM 9'2" L -1'0" 8:53AM 8'2" H 7'2" 2:42PM 5'8" L 1'6" 8:49PM 6'7" 06:22-20:10 05:33-20:11
8/23 6'7" H 8'1" 2:11AM 8'11" L -0'10" 9:32AM 8'3" H 7'5" 3:18PM 6'3" L 1'1" 9:36PM 6'9" 06:24-20:08 06:47-20:29
8/24 6'9" H 7'11" 2:57AM 8'6" L -0'6" 10:06AM 8'1" H 7'6" 3:51PM 6'8" L 0'10" 10:19PM 6'8" 06:25-20:06 07:57-20:45
8/25 6'8" H 7'7" 3:40AM 7'9" L -0'2" 10:37AM 7'10" H 7'7" 4:20PM 6'11" L 0'8" 10:59PM 6'6" 06:26-20:05 09:06-21:00
8/26 6'6" H 7'2" 4:22AM 6'11" L 0'3" 11:06AM 7'4" H 7'8" 4:47PM 7'0" L 0'7" 11:38PM 6'1" 06:27-20:03 10:13-21:15
8/27 6'1" H 6'9" 5:04AM 5'11" L 0'9" 11:34AM 6'9" H 7'7" 5:12PM 7'0" - - - - 06:29-20:01 11:19-21:32
8/28 7'0" L 0'6" 12:17AM 5'7" H 6'2" 5:49AM 4'10" L 1'4" 12:03PM 6'2" H 7'6" 5:38PM 6'11" 06:30-19:59 12:27-21:52
8/29 6'11" L 0'7" 12:59AM 5'0" H 5'8" 6:41AM 3'9" L 1'11" 12:34PM 5'5" H 7'4" 6:08PM 6'8" 06:31-19:57 13:34-22:17
8/30 6'8" L 0'8" 1:47AM 4'6" H 5'2" 7:44AM 2'9" L 2'5" 1:12PM 4'8" H 7'2" 6:45PM 6'4" 06:32-19:55 14:42-22:48
8/31 6'4" L 0'9" 2:48AM 4'2" H 4'11" 9:00AM 2'0" L 2'10" 2:06PM 4'0" H 6'11" 7:36PM N/A 06:34-19:53 15:45-23:29

Knappa Textual Tide Table for August 2025


Aug 1st (Fri)
the sunrise is 5:56am-8:43pm and the tide times are L 2:43am 1'2" H 8:17am 5'3" L 2:06pm 2'1" H 7:58pm 7'3" .
Aug 2nd (Sat)
the sunrise is 5:57am-8:42pm and the tide times are L 3:47am 1'0" H 9:34am 5'0" L 2:58pm 2'7" H 8:45pm 7'3" .
Aug 3rd (Sun)
the sunrise is 5:59am-8:40pm and the tide times are L 4:54am 0'9" H 10:50am 5'1" L 4:03pm 2'11" H 9:40pm 7'3" .
Aug 4th (Mon)
the sunrise is 6:00am-8:39pm and the tide times are L 5:57am 0'4" H 11:57am 5'4" L 5:12pm 3'1" H 10:38pm 7'4" .
Aug 5th (Tue)
the sunrise is 6:01am-8:38pm and the tide times are L 6:52am 0'0" H 12:52pm 5'9" L 6:16pm 3'0" H 11:35pm 7'6" .
Aug 6th (Wed)
the sunrise is 6:02am-8:36pm and the tide times are L 7:40am -0'4" H 1:38pm 6'1" L 7:12pm 2'9" .
Aug 7th (Thu)
the sunrise is 6:04am-8:35pm and the tide times are H 12:27am 7'9" L 8:22am -0'7" H 2:19pm 6'5" L 8:02pm 2'6" .
Aug 8th (Fri)
the sunrise is 6:05am-8:33pm and the tide times are H 1:16am 8'0" L 9:00am -0'10" H 2:56pm 6'9" L 8:48pm 2'2" .
Aug 9th (Sat)
the sunrise is 6:06am-8:31pm and the tide times are H 2:02am 8'3" L 9:35am -0'11" H 3:30pm 7'0" L 9:32pm 1'9" .
Aug 10th (Sun)
the sunrise is 6:07am-8:30pm and the tide times are H 2:48am 8'3" L 10:09am -0'11" H 4:02pm 7'4" L 10:16pm 1'4" .
Aug 11th (Mon)
the sunrise is 6:09am-8:28pm and the tide times are H 3:34am 8'2" L 10:42am -0'9" H 4:33pm 7'9" L 11:00pm 0'11" .
Aug 12th (Tue)
the sunrise is 6:10am-8:27pm and the tide times are H 4:21am 7'10" L 11:15am -0'4" H 5:05pm 8'0" L 11:46pm 0'7" .
Aug 13th (Wed)
the sunrise is 6:11am-8:25pm and the tide times are H 5:11am 7'4" L 11:50am 0'1" H 5:38pm 8'3" .
Aug 14th (Thu)
the sunrise is 6:12am-8:24pm and the tide times are L 12:37am 0'4" H 6:07am 6'8" L 12:27pm 0'8" H 6:15pm 8'4" .
Aug 15th (Fri)
the sunrise is 6:14am-8:22pm and the tide times are L 1:34am 0'2" H 7:13am 5'11" L 1:11pm 1'4" H 7:00pm 8'4" .
Aug 16th (Sat)
the sunrise is 6:15am-8:20pm and the tide times are L 2:40am 0'1" H 8:32am 5'5" L 2:05pm 2'0" H 7:54pm 8'2" .
Aug 17th (Sun)
the sunrise is 6:16am-8:19pm and the tide times are L 3:57am 0'0" H 9:57am 5'3" L 3:15pm 2'7" H 9:00pm 7'11" .
Aug 18th (Mon)
the sunrise is 6:17am-8:17pm and the tide times are L 5:15am -0'2" H 11:17am 5'6" L 4:37pm 2'9" H 10:14pm 7'10" .
Aug 19th (Tue)
the sunrise is 6:19am-8:15pm and the tide times are L 6:24am -0'6" H 12:23pm 5'11" L 5:55pm 2'8" H 11:24pm 7'11" .
Aug 20th (Wed)
the sunrise is 6:20am-8:14pm and the tide times are L 7:22am -0'10" H 1:17pm 6'5" L 7:02pm 2'3" .
Aug 21st (Thu)
the sunrise is 6:21am-8:12pm and the tide times are H 12:27am 8'1" L 8:11am -1'0" H 2:02pm 6'10" L 7:59pm 1'10" .
Aug 22nd (Fri)
the sunrise is 6:22am-8:10pm and the tide times are H 1:22am 8'2" L 8:53am -1'0" H 2:42pm 7'2" L 8:49pm 1'6" .
Aug 23rd (Sat)
the sunrise is 6:24am-8:08pm and the tide times are H 2:11am 8'1" L 9:32am -0'10" H 3:18pm 7'5" L 9:36pm 1'1" .
Aug 24th (Sun)
the sunrise is 6:25am-8:06pm and the tide times are H 2:57am 7'11" L 10:06am -0'6" H 3:51pm 7'6" L 10:19pm 0'10" .
Aug 25th (Mon)
the sunrise is 6:26am-8:05pm and the tide times are H 3:40am 7'7" L 10:37am -0'2" H 4:20pm 7'7" L 10:59pm 0'8" .
Aug 26th (Tue)
the sunrise is 6:27am-8:03pm and the tide times are H 4:22am 7'2" L 11:06am 0'3" H 4:47pm 7'8" L 11:38pm 0'7" .
Aug 27th (Wed)
the sunrise is 6:29am-8:01pm and the tide times are H 5:04am 6'9" L 11:34am 0'9" H 5:12pm 7'7" .
Aug 28th (Thu)
the sunrise is 6:30am-7:59pm and the tide times are L 12:17am 0'6" H 5:49am 6'2" L 12:03pm 1'4" H 5:38pm 7'6" .
Aug 29th (Fri)
the sunrise is 6:31am-7:57pm and the tide times are L 12:59am 0'7" H 6:41am 5'8" L 12:34pm 1'11" H 6:08pm 7'4" .
Aug 30th (Sat)
the sunrise is 6:32am-7:55pm and the tide times are L 1:47am 0'8" H 7:44am 5'2" L 1:12pm 2'5" H 6:45pm 7'2" .
Aug 31st (Sun)
the sunrise is 6:34am-7:53pm and the tide times are L 2:48am 0'9" H 9:00am 4'11" L 2:06pm 2'10" H 7:36pm 6'11" .

Oregon Tides Map

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NOAA/NWS Forecast for Knappa

Last updated: June 5, 2026, 12:06 AM

Marine Forecast (PZZ210)

PZZ210-052015-
Columbia River Bar-
101 PM PDT Thu Jun 4 2026

.IN THE MAIN CHANNEL...

.GENERAL SEAS...5 ft building to 6 ft Friday evening.

.FIRST EBB...Ebb current of 2.48 kt at 824 PM Thursday. Seas 5 ft.

.SECOND EBB...Ebb current of 4.79 kt at 810 AM Friday. Seas 7 ft.

.THIRD EBB...Ebb current of 2.57 kt at 911 PM Friday. Seas 6 ft.

$$

Land Forecast (ORZ101)

OVERNIGHT: Partly cloudy late this evening, then becoming mostly cloudy. A slight chance of showers. Lows in the upper 40s. Light and variable winds, becoming light. Chance of rain 20 percent.

FRIDAY: Showers likely with a slight chance of thunderstorms. Highs in the upper 50s. Southwest wind 5 to 10 mph. Chance of rain 70 percent. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.

FRIDAY NIGHT: Mostly cloudy. A chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southwest wind 5 to 10 mph. Chance of rain 90 percent. Rainfall amounts around a tenth of an inch, except higher amounts possible in thunderstorms.

SATURDAY: A slight chance of thunderstorms. Showers. Highs in the upper 50s. Southwest wind 5 to 10 mph. Chance of rain near 100 percent.

SATURDAY NIGHT: Mostly cloudy. A slight chance of showers in the evening. Lows in the upper 40s. West wind 5 to 10 mph. Chance of rain 20 percent.

SUNDAY: Partly sunny. Highs in the lower 60s.

SUNDAY NIGHT: Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.

MONDAY: Rain likely. Highs in the lower 60s. Chance of rain 70 percent.

MONDAY NIGHT: Rain likely. Lows around 50. Chance of rain 70 percent.

TUESDAY: Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 60s.

TUESDAY NIGHT: Mostly cloudy with a 50 percent chance of rain. Lows around 50.

WEDNESDAY: Partly sunny with a 50 percent chance of rain. Highs in the lower 60s.

WEDNESDAY NIGHT: Mostly cloudy with a 20 percent chance of rain. Lows in the lower 50s.

THURSDAY: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 60s.

Last updated: June 5, 2026, 12:06 AM

ODFW

Oregon Department of Fish and Wildlife with current fishing regulations seasons bag size limits and area specific rules

Oregon State Parks

Oregon State Parks and beaches with coastal camping, reservations, beach access, and tidepooling opportunities

Columbia River Lower Section Boating Overview (Other)

Overview of lower Columbia River boating near Knappa including nearby access points, sloughs, and channels for fishing, small boat launches, and river exploration. Tidal influences and river flows are key for safe navigation and launches; good for planning trips with tide charts and awareness of currents in the Astoria/Knappa region. Check Oregon State Marine Board for updates on facilities and regulations.

Knappa Slough Columbia River Shore Access (Other)

Informal shore and slough access near Knappa on the lower Columbia River for small boats, kayaks, and fishing from shore or hand carry launches. Connects to main Columbia channels with opportunities for salmon fishing, crabbing, and tidal river travel. Strong tides and currents require caution for safe access and navigation; check Marine Board or local conditions for updates.

Lower Columbia River Boating Guide Oregon Marine Board (Other)

Oregon State Marine Board guide to the lower Columbia River including areas near Knappa and Knappa Slough with details on ramps, navigation, hazards, moorages, and facilities for recreational boating in the tidal lower river section. Useful for planning launches from nearby access points with notes on tides, currents, shoals, and safe travel in the Astoria vicinity.