Knappa Tides August 2023 | Tide Charts & Tables | Columbia River, OR

Knappa Tide Chart for (Tue) August 1, 2023

Knappa tide chart for Tuesday, August 1, 2023
Knappa tides for Aug 1st, the sunrise is 5:56am-8:44pm and the tide times are H 1:23am 8'11" L 9:13am -1'6" H 3:12pm 6'11" L 8:59pm 2'0" .

Knappa Tide Chart for (Wed) August 2, 2023

Knappa tide chart for Wednesday, August 2, 2023
Knappa tides for Aug 2nd, the sunrise is 5:57am-8:43pm and the tide times are H 2:19am 9'0" L 9:58am -1'7" H 3:55pm 7'4" L 9:54pm 1'7" .

Knappa Tide Chart for (Thu) August 3, 2023

Knappa tide chart for Thursday, August 3, 2023
Knappa tides for Aug 3rd, the sunrise is 5:58am-8:41pm and the tide times are H 3:14am 8'11" L 10:41am -1'6" H 4:36pm 7'8" L 10:47pm 1'2" .

Knappa Tide Chart for (Fri) August 4, 2023

Knappa tide chart for Friday, August 4, 2023
Knappa tides for Aug 4th, the sunrise is 5:59am-8:40pm and the tide times are H 4:08am 8'8" L 11:23am -1'1" H 5:15pm 7'11" L 11:41pm 0'10" .

Knappa Tide Chart for (Sat) August 5, 2023

Knappa tide chart for Saturday, August 5, 2023
Knappa tides for Aug 5th, the sunrise is 6:00am-8:38pm and the tide times are H 5:02am 8'1" L 12:03pm -0'7" H 5:56pm 8'2" .

Knappa Tide Chart for (Sun) August 6, 2023

Knappa tide chart for Sunday, August 6, 2023
Knappa tides for Aug 6th, the sunrise is 6:02am-8:37pm and the tide times are L 12:36am 0'7" H 6:00am 7'4" L 12:44pm 0'0" H 6:36pm 8'3" .

Knappa Tide Chart for (Mon) August 7, 2023

Knappa tide chart for Monday, August 7, 2023
Knappa tides for Aug 7th, the sunrise is 6:03am-8:35pm and the tide times are L 1:34am 0'6" H 7:02am 6'6" L 1:27pm 0'9" H 7:20pm 8'2" .

Knappa Tide Chart for (Tue) August 8, 2023

Knappa tide chart for Tuesday, August 8, 2023
Knappa tides for Aug 8th, the sunrise is 6:04am-8:34pm and the tide times are L 2:38am 0'4" H 8:12am 5'10" L 2:15pm 1'6" H 8:07pm 8'0" .

Knappa Tide Chart for (Wed) August 9, 2023

Knappa tide chart for Wednesday, August 9, 2023
Knappa tides for Aug 9th, the sunrise is 6:05am-8:32pm and the tide times are L 3:46am 0'3" H 9:29am 5'6" L 3:12pm 2'2" H 9:01pm 7'10" .

Knappa Tide Chart for (Thu) August 10, 2023

Knappa tide chart for Thursday, August 10, 2023
Knappa tides for Aug 10th, the sunrise is 6:07am-8:31pm and the tide times are L 4:56am 0'1" H 10:47am 5'6" L 4:18pm 2'7" H 9:59pm 7'8" .

Knappa Tide Chart for (Fri) August 11, 2023

Knappa tide chart for Friday, August 11, 2023
Knappa tides for Aug 11th, the sunrise is 6:08am-8:29pm and the tide times are L 6:01am -0'1" H 11:55am 5'8" L 5:26pm 2'9" H 10:58pm 7'7" .

Knappa Tide Chart for (Sat) August 12, 2023

Knappa tide chart for Saturday, August 12, 2023
Knappa tides for Aug 12th, the sunrise is 6:09am-8:28pm and the tide times are L 6:58am -0'4" H 12:52pm 6'0" L 6:29pm 2'8" H 11:53pm 7'7" .

Knappa Tide Chart for (Sun) August 13, 2023

Knappa tide chart for Sunday, August 13, 2023
Knappa tides for Aug 13th, the sunrise is 6:10am-8:26pm and the tide times are L 7:47am -0'6" H 1:39pm 6'4" L 7:24pm 2'6" .

Knappa Tide Chart for (Mon) August 14, 2023

Knappa tide chart for Monday, August 14, 2023
Knappa tides for Aug 14th, the sunrise is 6:12am-8:24pm and the tide times are H 12:43am 7'8" L 8:29am -0'7" H 2:20pm 6'7" L 8:11pm 2'3" .

Knappa Tide Chart for (Tue) August 15, 2023

Knappa tide chart for Tuesday, August 15, 2023
Knappa tides for Aug 15th, the sunrise is 6:13am-8:23pm and the tide times are H 1:28am 7'9" L 9:06am -0'7" H 2:56pm 6'9" L 8:55pm 2'0" .

Knappa Tide Chart for (Wed) August 16, 2023

Knappa tide chart for Wednesday, August 16, 2023
Knappa tides for Aug 16th, the sunrise is 6:14am-8:21pm and the tide times are H 2:09am 7'9" L 9:39am -0'7" H 3:29pm 6'10" L 9:34pm 1'10" .

Knappa Tide Chart for (Thu) August 17, 2023

Knappa tide chart for Thursday, August 17, 2023
Knappa tides for Aug 17th, the sunrise is 6:15am-8:19pm and the tide times are H 2:48am 7'8" L 10:09am -0'5" H 3:58pm 7'0" L 10:12pm 1'7" .

Knappa Tide Chart for (Fri) August 18, 2023

Knappa tide chart for Friday, August 18, 2023
Knappa tides for Aug 18th, the sunrise is 6:17am-8:18pm and the tide times are H 3:26am 7'6" L 10:36am -0'2" H 4:24pm 7'1" L 10:47pm 1'5" .

Knappa Tide Chart for (Sat) August 19, 2023

Knappa tide chart for Saturday, August 19, 2023
Knappa tides for Aug 19th, the sunrise is 6:18am-8:16pm and the tide times are H 4:03am 7'4" L 11:01am 0'0" H 4:48pm 7'3" L 11:23pm 1'2" .

Knappa Tide Chart for (Sun) August 20, 2023

Knappa tide chart for Sunday, August 20, 2023
Knappa tides for Aug 20th, the sunrise is 6:19am-8:15pm and the tide times are H 4:42am 7'0" L 11:26am 0'4" H 5:12pm 7'5" L 11:59pm 1'0" .

Knappa Tide Chart for (Mon) August 21, 2023

Knappa tide chart for Monday, August 21, 2023
Knappa tides for Aug 21st, the sunrise is 6:20am-8:13pm and the tide times are H 5:24am 6'6" L 11:53am 0'9" H 5:37pm 7'7" .

Knappa Tide Chart for (Tue) August 22, 2023

Knappa tide chart for Tuesday, August 22, 2023
Knappa tides for Aug 22nd, the sunrise is 6:22am-8:11pm and the tide times are L 12:39am 0'10" H 6:12am 6'0" L 12:23pm 1'3" H 6:08pm 7'8" .

Knappa Tide Chart for (Wed) August 23, 2023

Knappa tide chart for Wednesday, August 23, 2023
Knappa tides for Aug 23rd, the sunrise is 6:23am-8:09pm and the tide times are L 1:26am 0'9" H 7:14am 5'5" L 1:01pm 1'10" H 6:47pm 7'8" .

Knappa Tide Chart for (Thu) August 24, 2023

Knappa tide chart for Thursday, August 24, 2023
Knappa tides for Aug 24th, the sunrise is 6:24am-8:07pm and the tide times are L 2:27am 0'7" H 8:33am 5'1" L 1:51pm 2'4" H 7:37pm 7'7" .

Knappa Tide Chart for (Fri) August 25, 2023

Knappa tide chart for Friday, August 25, 2023
Knappa tides for Aug 25th, the sunrise is 6:25am-8:05pm and the tide times are L 3:43am 0'5" H 10:01am 5'0" L 3:01pm 2'10" H 8:43pm 7'6" .

Knappa Tide Chart for (Sat) August 26, 2023

Knappa tide chart for Saturday, August 26, 2023
Knappa tides for Aug 26th, the sunrise is 6:27am-8:04pm and the tide times are L 5:04am 0'1" H 11:20am 5'4" L 4:28pm 3'0" H 9:59pm 7'8" .

Knappa Tide Chart for (Sun) August 27, 2023

Knappa tide chart for Sunday, August 27, 2023
Knappa tides for Aug 27th, the sunrise is 6:28am-8:02pm and the tide times are L 6:14am -0'4" H 12:22pm 5'10" L 5:49pm 2'9" H 11:13pm 7'11" .

Knappa Tide Chart for (Mon) August 28, 2023

Knappa tide chart for Monday, August 28, 2023
Knappa tides for Aug 28th, the sunrise is 6:29am-8:00pm and the tide times are L 7:13am -0'9" H 1:13pm 6'4" L 6:57pm 2'4" .

Knappa Tide Chart for (Tue) August 29, 2023

Knappa tide chart for Tuesday, August 29, 2023
Knappa tides for Aug 29th, the sunrise is 6:30am-7:58pm and the tide times are H 12:20am 8'4" L 8:04am -1'2" H 1:58pm 6'11" L 7:56pm 1'8" .

Knappa Tide Chart for (Wed) August 30, 2023

Knappa tide chart for Wednesday, August 30, 2023
Knappa tides for Aug 30th, the sunrise is 6:32am-7:56pm and the tide times are H 1:19am 8'7" L 8:49am -1'4" H 2:40pm 7'5" L 8:50pm 1'1" .

Knappa Tide Chart for (Thu) August 31, 2023

Knappa tide chart for Thursday, August 31, 2023
Knappa tides for Aug 31st, the sunrise is 6:33am-7:54pm and the tide times are H 2:15am 8'9" L 9:31am -1'3" H 3:18pm 7'10" L 9:41pm 0'6" .

Knappa Tide Calendar | August 2023

Sun Mon Tue Wed Thu Fri Sat
 
Knappa tide chart for Tuesday, August 1, 2023
Knappa tide chart for Wednesday, August 2, 2023
Knappa tide chart for Thursday, August 3, 2023
Knappa tide chart for Friday, August 4, 2023
Knappa tide chart for Saturday, August 5, 2023
Knappa tide chart for Sunday, August 6, 2023
Knappa tide chart for Monday, August 7, 2023
Knappa tide chart for Tuesday, August 8, 2023
Knappa tide chart for Wednesday, August 9, 2023
Knappa tide chart for Thursday, August 10, 2023
Knappa tide chart for Friday, August 11, 2023
Knappa tide chart for Saturday, August 12, 2023
Knappa tide chart for Sunday, August 13, 2023
Knappa tide chart for Monday, August 14, 2023
Knappa tide chart for Tuesday, August 15, 2023
Knappa tide chart for Wednesday, August 16, 2023
Knappa tide chart for Thursday, August 17, 2023
Knappa tide chart for Friday, August 18, 2023
Knappa tide chart for Saturday, August 19, 2023
Knappa tide chart for Sunday, August 20, 2023
Knappa tide chart for Monday, August 21, 2023
Knappa tide chart for Tuesday, August 22, 2023
Knappa tide chart for Wednesday, August 23, 2023
Knappa tide chart for Thursday, August 24, 2023
Knappa tide chart for Friday, August 25, 2023
Knappa tide chart for Saturday, August 26, 2023
Knappa tide chart for Sunday, August 27, 2023
Knappa tide chart for Monday, August 28, 2023
Knappa tide chart for Tuesday, August 29, 2023
Knappa tide chart for Wednesday, August 30, 2023
Knappa tide chart for Thursday, August 31, 2023
 

Restricted days available with membership — details below


Knappa Tide Table for August 2023

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

Knappa Textual Tide Table for August 2023


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

Oregon Tides Map

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NOAA/NWS Forecast for Knappa | Small Craft Advisory

Last updated: June 17, 2026, 12:06 AM

Small Craft Advisory

Small Craft Advisory issued June 16 at 1:01PM PDT until June 17 at 9:00AM PDT by NWS Portland OR

* WHAT...Rough bar conditions expected during a very strong ebb
currents of 7.03 kt. Seas 9 to 10 ft.

* WHERE...In the Main Channel of the Columbia River Bar.

* WHEN...From 5 AM to 9 AM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft,
especially when operating near to, or attempting to cross, the
Columbia River Bar.

Effective: June 16, 2026, 8:01 PM

Expires: June 17, 2026, 12:15 PM

Marine Forecast (PZZ210)

PZZ210-171045-
Columbia River Bar-
117 PM PDT Tue Jun 16 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...

.IN THE MAIN CHANNEL...

.GENERAL SEAS...3 to 5 ft building to 5 to 7 ft Wednesday
evening.

.FIRST EBB...Ebb current of 3.63 kt at 644 PM Tuesday. Seas 5 to 6
ft.

.SECOND EBB...Very strong ebb current of 7.03 kt at 653 AM
Wednesday. Seas 9 to 10 ft.

.THIRD EBB...Ebb current of 3.71 kt at 737 PM Wednesday. Seas 6 to
7 ft.

$$

Land Forecast (ORZ101)

OVERNIGHT: Mostly cloudy. Lows in the lower 50s. Northwest wind 10 to 15 mph.

WEDNESDAY: Mostly cloudy in the morning, then clearing. Highs in the mid 60s. Northwest wind 10 to 15 mph.

WEDNESDAY NIGHT: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. Northwest wind 10 to 15 mph.

THURSDAY: Partly sunny. Highs in the mid 70s. North wind 5 to 10 mph.

THURSDAY NIGHT: Mostly cloudy. Lows in the mid 50s. Northwest wind 10 to 15 mph, easing to light after midnight.

JUNETEENTH: Mostly sunny. Highs in the lower 70s.

FRIDAY NIGHT: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.

SATURDAY: Partly sunny. Highs in the mid 60s.

SATURDAY NIGHT: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.

SUNDAY: Mostly sunny. Highs in the lower 70s.

SUNDAY NIGHT: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

MONDAY: Partly sunny in the morning, then clearing. Highs in the upper 70s.

MONDAY NIGHT: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.

TUESDAY: Mostly sunny. Highs in the upper 70s.

Last updated: June 17, 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.