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

Knappa Tide Chart for (Fri) September 1, 2023

Knappa tide chart for Friday, September 1, 2023
Knappa tides for Sep 1st, the sunrise is 6:34am-7:53pm and the tide times are H 3:09am 8'7" L 10:12am -1'0" H 3:56pm 8'2" L 10:32pm 0'0" .

Knappa Tide Chart for (Sat) September 2, 2023

Knappa tide chart for Saturday, September 2, 2023
Knappa tides for Sep 2nd, the sunrise is 6:35am-7:51pm and the tide times are H 4:01am 8'3" L 10:51am -0'6" H 4:33pm 8'5" L 11:22pm -0'2" .

Knappa Tide Chart for (Sun) September 3, 2023

Knappa tide chart for Sunday, September 3, 2023
Knappa tides for Sep 3rd, the sunrise is 6:37am-7:49pm and the tide times are H 4:53am 7'8" L 11:29am 0'0" H 5:09pm 8'6" .

Knappa Tide Chart for (Mon) September 4, 2023

Knappa tide chart for Monday, September 4, 2023
Knappa tides for Sep 4th, the sunrise is 6:38am-7:47pm and the tide times are L 12:12am -0'3" H 5:48am 7'0" L 12:08pm 0'9" H 5:47pm 8'4" .

Knappa Tide Chart for (Tue) September 5, 2023

Knappa tide chart for Tuesday, September 5, 2023
Knappa tides for Sep 5th, the sunrise is 6:39am-7:45pm and the tide times are L 1:05am -0'2" H 6:47am 6'3" L 12:50pm 1'5" H 6:27pm 8'0" .

Knappa Tide Chart for (Wed) September 6, 2023

Knappa tide chart for Wednesday, September 6, 2023
Knappa tides for Sep 6th, the sunrise is 6:40am-7:43pm and the tide times are L 2:04am -0'0" H 7:55am 5'9" L 1:39pm 2'1" H 7:15pm 7'7" .

Knappa Tide Chart for (Thu) September 7, 2023

Knappa tide chart for Thursday, September 7, 2023
Knappa tides for Sep 7th, the sunrise is 6:42am-7:41pm and the tide times are L 3:11am 0'2" H 9:11am 5'5" L 2:41pm 2'8" H 8:13pm 7'2" .

Knappa Tide Chart for (Fri) September 8, 2023

Knappa tide chart for Friday, September 8, 2023
Knappa tides for Sep 8th, the sunrise is 6:43am-7:39pm and the tide times are L 4:23am 0'3" H 10:28am 5'6" L 3:56pm 2'11" H 9:23pm 6'10" .

Knappa Tide Chart for (Sat) September 9, 2023

Knappa tide chart for Saturday, September 9, 2023
Knappa tides for Sep 9th, the sunrise is 6:44am-7:37pm and the tide times are L 5:33am 0'2" H 11:35am 5'9" L 5:12pm 2'10" H 10:35pm 6'10" .

Knappa Tide Chart for (Sun) September 10, 2023

Knappa tide chart for Sunday, September 10, 2023
Knappa tides for Sep 10th, the sunrise is 6:46am-7:35pm and the tide times are L 6:31am 0'0" H 12:27pm 6'2" L 6:17pm 2'6" H 11:37pm 7'0" .

Knappa Tide Chart for (Mon) September 11, 2023

Knappa tide chart for Monday, September 11, 2023
Knappa tides for Sep 11th, the sunrise is 6:47am-7:33pm and the tide times are L 7:19am -0'2" H 1:09pm 6'6" L 7:10pm 2'1" .

Knappa Tide Chart for (Tue) September 12, 2023

Knappa tide chart for Tuesday, September 12, 2023
Knappa tides for Sep 12th, the sunrise is 6:48am-7:31pm and the tide times are H 12:29am 7'2" L 7:58am -0'3" H 1:45pm 6'10" L 7:55pm 1'8" .

Knappa Tide Chart for (Wed) September 13, 2023

Knappa tide chart for Wednesday, September 13, 2023
Knappa tides for Sep 13th, the sunrise is 6:49am-7:29pm and the tide times are H 1:15am 7'5" L 8:32am -0'3" H 2:17pm 7'1" L 8:36pm 1'4" .

Knappa Tide Chart for (Thu) September 14, 2023

Knappa tide chart for Thursday, September 14, 2023
Knappa tides for Sep 14th, the sunrise is 6:51am-7:27pm and the tide times are H 1:56am 7'6" L 9:03am -0'1" H 2:46pm 7'3" L 9:14pm 1'0" .

Knappa Tide Chart for (Fri) September 15, 2023

Knappa tide chart for Friday, September 15, 2023
Knappa tides for Sep 15th, the sunrise is 6:52am-7:25pm and the tide times are H 2:35am 7'5" L 9:31am 0'0" H 3:11pm 7'6" L 9:49pm 0'8" .

Knappa Tide Chart for (Sat) September 16, 2023

Knappa tide chart for Saturday, September 16, 2023
Knappa tides for Sep 16th, the sunrise is 6:53am-7:23pm and the tide times are H 3:13am 7'4" L 9:57am 0'4" H 3:35pm 7'8" L 10:23pm 0'5" .

Knappa Tide Chart for (Sun) September 17, 2023

Knappa tide chart for Sunday, September 17, 2023
Knappa tides for Sep 17th, the sunrise is 6:54am-7:21pm and the tide times are H 3:52am 7'1" L 10:23am 0'8" H 3:57pm 7'10" L 10:56pm 0'3" .

Knappa Tide Chart for (Mon) September 18, 2023

Knappa tide chart for Monday, September 18, 2023
Knappa tides for Sep 18th, the sunrise is 6:56am-7:19pm and the tide times are H 4:31am 6'9" L 10:48am 1'0" H 4:20pm 7'11" L 11:29pm 0'1" .

Knappa Tide Chart for (Tue) September 19, 2023

Knappa tide chart for Tuesday, September 19, 2023
Knappa tides for Sep 19th, the sunrise is 6:57am-7:18pm and the tide times are H 5:14am 6'5" L 11:16am 1'5" H 4:47pm 8'0" .

Knappa Tide Chart for (Wed) September 20, 2023

Knappa tide chart for Wednesday, September 20, 2023
Knappa tides for Sep 20th, the sunrise is 6:58am-7:16pm and the tide times are L 12:07am 0'0" H 6:03am 5'11" L 11:49am 1'11" H 5:20pm 8'0" .

Knappa Tide Chart for (Thu) September 21, 2023

Knappa tide chart for Thursday, September 21, 2023
Knappa tides for Sep 21st, the sunrise is 6:59am-7:14pm and the tide times are L 12:53am 0'1" H 7:05am 5'6" L 12:30pm 2'5" H 6:02pm 7'10" .

Knappa Tide Chart for (Fri) September 22, 2023

Knappa tide chart for Friday, September 22, 2023
Knappa tides for Sep 22nd, the sunrise is 7:01am-7:12pm and the tide times are L 1:54am 0'3" H 8:24am 5'3" L 1:28pm 2'10" H 6:59pm 7'6" .

Knappa Tide Chart for (Sat) September 23, 2023

Knappa tide chart for Saturday, September 23, 2023
Knappa tides for Sep 23rd, the sunrise is 7:02am-7:10pm and the tide times are L 3:15am 0'3" H 9:49am 5'4" L 2:53pm 3'2" H 8:16pm 7'3" .

Knappa Tide Chart for (Sun) September 24, 2023

Knappa tide chart for Sunday, September 24, 2023
Knappa tides for Sep 24th, the sunrise is 7:03am-7:08pm and the tide times are L 4:39am 0'1" H 11:01am 5'9" L 4:29pm 3'0" H 9:48pm 7'3" .

Knappa Tide Chart for (Mon) September 25, 2023

Knappa tide chart for Monday, September 25, 2023
Knappa tides for Sep 25th, the sunrise is 7:05am-7:06pm and the tide times are L 5:50am -0'2" H 11:57am 6'4" L 5:48pm 2'5" H 11:09pm 7'7" .

Knappa Tide Chart for (Tue) September 26, 2023

Knappa tide chart for Tuesday, September 26, 2023
Knappa tides for Sep 26th, the sunrise is 7:06am-7:04pm and the tide times are L 6:47am -0'6" H 12:43pm 7'0" L 6:52pm 1'8" .

Knappa Tide Chart for (Wed) September 27, 2023

Knappa tide chart for Wednesday, September 27, 2023
Knappa tides for Sep 27th, the sunrise is 7:07am-7:02pm and the tide times are H 12:16am 8'0" L 7:35am -0'8" H 1:24pm 7'7" L 7:47pm 0'10" .

Knappa Tide Chart for (Thu) September 28, 2023

Knappa tide chart for Thursday, September 28, 2023
Knappa tides for Sep 28th, the sunrise is 7:08am-7:00pm and the tide times are H 1:15am 8'3" L 8:18am -0'7" H 2:02pm 8'2" L 8:38pm 0'2" .

Knappa Tide Chart for (Fri) September 29, 2023

Knappa tide chart for Friday, September 29, 2023
Knappa tides for Sep 29th, the sunrise is 7:10am-6:58pm and the tide times are H 2:09am 8'4" L 8:59am -0'4" H 2:39pm 8'7" L 9:27pm -0'5" .

Knappa Tide Chart for (Sat) September 30, 2023

Knappa tide chart for Saturday, September 30, 2023
Knappa tides for Sep 30th, the sunrise is 7:11am-6:56pm and the tide times are H 3:01am 8'2" L 9:38am -0'0" H 3:14pm 8'10" L 10:14pm -0'9" .

Knappa Tide Calendar | September 2023

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

Restricted days available with membership — details below


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

Knappa Textual Tide Table for September 2023


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

Oregon Tides Map

Tides map. Large blue pin with white center = this station. Small blue pin = other tide stations. Red pins = tidepools covered by this tide station.

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NOAA/NWS Forecast for Knappa | Small Craft Advisory

Last updated: June 14, 2026, 6:07 PM

Small Craft Advisory

Small Craft Advisory issued June 14 at 1:03PM PDT until June 15 at 7:00AM PDT by NWS Portland OR

* WHAT...Rough bar conditions expected during a very strong ebb
current of 7.37 kt. Seas 6 to 7 ft.

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

* WHEN...From 3 AM to 7 AM PDT Monday.

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

Effective: June 14, 2026, 8:03 PM

Expires: June 15, 2026, 12:15 PM

Marine Forecast (PZZ210)

PZZ210-151045-
Columbia River Bar-
103 PM PDT Sun Jun 14 2026

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

.IN THE MAIN CHANNEL...

.GENERAL SEAS...3 to 4 ft building to 4 to 5 ft Monday afternoon.

.FIRST EBB...Ebb current of 3.37 kt at 459 PM Sunday. Seas 4 ft.

.SECOND EBB...Very strong ebb current of 7.37 kt at 513 AM Monday.
Seas 6 to 7 ft.

.THIRD EBB...Ebb current of 3.52 kt at 552 PM Monday. Seas 4 to 5
ft.

$$

Land Forecast (ORZ101)

TONIGHT: Mostly clear this evening, then becoming partly cloudy. Lows in the lower 60s. North wind 5 to 10 mph.

MONDAY: Mostly sunny. Highs in the lower 80s. North wind 5 to 10 mph, becoming northwest in the afternoon.

MONDAY NIGHT: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. Northwest wind 5 to 10 mph.

TUESDAY: Partly sunny. Highs in the mid 60s. Northwest wind 5 to 10 mph.

TUESDAY NIGHT: Mostly cloudy. Lows in the mid 50s. Northwest wind 10 to 15 mph.

WEDNESDAY: Partly sunny in the morning, then clearing. Highs in the mid 60s.

WEDNESDAY NIGHT: Mostly clear. Lows in the lower 50s.

THURSDAY: Mostly sunny. Highs in the mid 70s.

THURSDAY NIGHT: Partly cloudy. Lows in the mid 50s.

JUNETEENTH: Mostly sunny. Highs around 70.

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

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

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

SUNDAY: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 60s.

Last updated: June 14, 2026, 6:07 PM

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.