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

Knappa Tide Chart for (Mon) May 1, 2023

Knappa tide chart for Monday, May 1, 2023
Knappa tides for May 1st, the sunrise is 6:00am-8:22pm and the tide times are L 6:32am 1'10" H 11:51am 6'7" L 6:40pm 1'2" .

Knappa Tide Chart for (Tue) May 2, 2023

Knappa tide chart for Tuesday, May 2, 2023
Knappa tides for May 2nd, the sunrise is 5:59am-8:23pm and the tide times are H 12:27am 7'7" L 7:18am 1'2" H 12:44pm 6'10" L 7:17pm 1'3" .

Knappa Tide Chart for (Wed) May 3, 2023

Knappa tide chart for Wednesday, May 3, 2023
Knappa tides for May 3rd, the sunrise is 5:57am-8:25pm and the tide times are H 12:58am 8'0" L 8:00am 0'7" H 1:33pm 7'0" L 7:53pm 1'5" .

Knappa Tide Chart for (Thu) May 4, 2023

Knappa tide chart for Thursday, May 4, 2023
Knappa tides for May 4th, the sunrise is 5:56am-8:26pm and the tide times are H 1:27am 8'4" L 8:40am 0'0" H 2:20pm 7'1" L 8:28pm 1'8" .

Knappa Tide Chart for (Fri) May 5, 2023

Knappa tide chart for Friday, May 5, 2023
Knappa tides for May 5th, the sunrise is 5:54am-8:27pm and the tide times are H 1:56am 8'8" L 9:19am -0'4" H 3:07pm 7'1" L 9:03pm 2'0" .

Knappa Tide Chart for (Sat) May 6, 2023

Knappa tide chart for Saturday, May 6, 2023
Knappa tides for May 6th, the sunrise is 5:53am-8:29pm and the tide times are H 2:26am 8'10" L 9:58am -0'8" H 3:53pm 7'0" L 9:41pm 2'3" .

Knappa Tide Chart for (Sun) May 7, 2023

Knappa tide chart for Sunday, May 7, 2023
Knappa tides for May 7th, the sunrise is 5:52am-8:30pm and the tide times are H 2:59am 9'0" L 10:38am -0'11" H 4:42pm 6'11" L 10:20pm 2'6" .

Knappa Tide Chart for (Mon) May 8, 2023

Knappa tide chart for Monday, May 8, 2023
Knappa tides for May 8th, the sunrise is 5:50am-8:31pm and the tide times are H 3:36am 9'0" L 11:22am -0'11" H 5:33pm 6'9" L 11:04pm 2'9" .

Knappa Tide Chart for (Tue) May 9, 2023

Knappa tide chart for Tuesday, May 9, 2023
Knappa tides for May 9th, the sunrise is 5:49am-8:33pm and the tide times are H 4:18am 8'11" L 12:10pm -0'9" H 6:28pm 6'7" L 11:56pm 2'11" .

Knappa Tide Chart for (Wed) May 10, 2023

Knappa tide chart for Wednesday, May 10, 2023
Knappa tides for May 10th, the sunrise is 5:48am-8:34pm and the tide times are H 5:07am 8'7" L 1:05pm -0'6" H 7:28pm 6'6" .

Knappa Tide Chart for (Thu) May 11, 2023

Knappa tide chart for Thursday, May 11, 2023
Knappa tides for May 11th, the sunrise is 5:46am-8:35pm and the tide times are L 12:58am 3'1" H 6:06am 8'0" L 2:06pm -0'2" H 8:32pm 6'7" .

Knappa Tide Chart for (Fri) May 12, 2023

Knappa tide chart for Friday, May 12, 2023
Knappa tides for May 12th, the sunrise is 5:45am-8:36pm and the tide times are L 2:15am 3'1" H 7:21am 7'6" L 3:12pm 0'1" H 9:33pm 6'11" .

Knappa Tide Chart for (Sat) May 13, 2023

Knappa tide chart for Saturday, May 13, 2023
Knappa tides for May 13th, the sunrise is 5:44am-8:37pm and the tide times are L 3:37am 2'9" H 8:49am 7'1" L 4:16pm 0'4" H 10:27pm 7'5" .

Knappa Tide Chart for (Sun) May 14, 2023

Knappa tide chart for Sunday, May 14, 2023
Knappa tides for May 14th, the sunrise is 5:42am-8:39pm and the tide times are L 4:54am 2'1" H 10:12am 6'11" L 5:15pm 0'6" H 11:15pm 8'0" .

Knappa Tide Chart for (Mon) May 15, 2023

Knappa tide chart for Monday, May 15, 2023
Knappa tides for May 15th, the sunrise is 5:41am-8:40pm and the tide times are L 6:01am 1'3" H 11:25am 7'0" L 6:06pm 0'9" H 11:58pm 8'6" .

Knappa Tide Chart for (Tue) May 16, 2023

Knappa tide chart for Tuesday, May 16, 2023
Knappa tides for May 16th, the sunrise is 5:40am-8:41pm and the tide times are L 6:58am 0'5" H 12:28pm 7'1" L 6:53pm 1'0" .

Knappa Tide Chart for (Wed) May 17, 2023

Knappa tide chart for Wednesday, May 17, 2023
Knappa tides for May 17th, the sunrise is 5:39am-8:42pm and the tide times are H 12:37am 8'11" L 7:49am -0'3" H 1:25pm 7'2" L 7:37pm 1'4" .

Knappa Tide Chart for (Thu) May 18, 2023

Knappa tide chart for Thursday, May 18, 2023
Knappa tides for May 18th, the sunrise is 5:38am-8:43pm and the tide times are H 1:14am 9'1" L 8:36am -0'8" H 2:17pm 7'2" L 8:20pm 1'9" .

Knappa Tide Chart for (Fri) May 19, 2023

Knappa tide chart for Friday, May 19, 2023
Knappa tides for May 19th, the sunrise is 5:37am-8:45pm and the tide times are H 1:49am 9'2" L 9:20am -0'11" H 3:07pm 7'1" L 9:01pm 2'1" .

Knappa Tide Chart for (Sat) May 20, 2023

Knappa tide chart for Saturday, May 20, 2023
Knappa tides for May 20th, the sunrise is 5:36am-8:46pm and the tide times are H 2:24am 9'0" L 10:01am -1'0" H 3:55pm 7'0" L 9:42pm 2'5" .

Knappa Tide Chart for (Sun) May 21, 2023

Knappa tide chart for Sunday, May 21, 2023
Knappa tides for May 21st, the sunrise is 5:35am-8:47pm and the tide times are H 2:58am 8'9" L 10:42am -0'10" H 4:41pm 6'11" L 10:23pm 2'8" .

Knappa Tide Chart for (Mon) May 22, 2023

Knappa tide chart for Monday, May 22, 2023
Knappa tides for May 22nd, the sunrise is 5:34am-8:48pm and the tide times are H 3:32am 8'6" L 11:21am -0'7" H 5:27pm 6'9" L 11:05pm 2'11" .

Knappa Tide Chart for (Tue) May 23, 2023

Knappa tide chart for Tuesday, May 23, 2023
Knappa tides for May 23rd, the sunrise is 5:33am-8:49pm and the tide times are H 4:07am 8'2" L 12:01pm -0'3" H 6:13pm 6'7" L 11:49pm 3'1" .

Knappa Tide Chart for (Wed) May 24, 2023

Knappa tide chart for Wednesday, May 24, 2023
Knappa tides for May 24th, the sunrise is 5:32am-8:50pm and the tide times are H 4:46am 7'9" L 12:42pm 0'0" H 7:01pm 6'5" .

Knappa Tide Chart for (Thu) May 25, 2023

Knappa tide chart for Thursday, May 25, 2023
Knappa tides for May 25th, the sunrise is 5:31am-8:51pm and the tide times are L 12:37am 3'2" H 5:31am 7'4" L 1:26pm 0'4" H 7:50pm 6'5" .

Knappa Tide Chart for (Fri) May 26, 2023

Knappa tide chart for Friday, May 26, 2023
Knappa tides for May 26th, the sunrise is 5:30am-8:52pm and the tide times are L 1:35am 3'3" H 6:25am 6'10" L 2:14pm 0'9" H 8:40pm 6'6" .

Knappa Tide Chart for (Sat) May 27, 2023

Knappa tide chart for Saturday, May 27, 2023
Knappa tides for May 27th, the sunrise is 5:29am-8:53pm and the tide times are L 2:41am 3'1" H 7:33am 6'4" L 3:06pm 1'0" H 9:28pm 6'9" .

Knappa Tide Chart for (Sun) May 28, 2023

Knappa tide chart for Sunday, May 28, 2023
Knappa tides for May 28th, the sunrise is 5:29am-8:54pm and the tide times are L 3:51am 2'9" H 8:52am 6'0" L 3:58pm 1'3" H 10:12pm 7'1" .

Knappa Tide Chart for (Mon) May 29, 2023

Knappa tide chart for Monday, May 29, 2023
Knappa tides for May 29th, the sunrise is 5:28am-8:55pm and the tide times are L 4:57am 2'2" H 10:09am 5'11" L 4:48pm 1'6" H 10:51pm 7'6" .

Knappa Tide Chart for (Tue) May 30, 2023

Knappa tide chart for Tuesday, May 30, 2023
Knappa tides for May 30th, the sunrise is 5:27am-8:56pm and the tide times are L 5:54am 1'6" H 11:17am 6'1" L 5:35pm 1'9" H 11:27pm 7'11" .

Knappa Tide Chart for (Wed) May 31, 2023

Knappa tide chart for Wednesday, May 31, 2023
Knappa tides for May 31st, the sunrise is 5:27am-8:57pm and the tide times are L 6:44am 0'9" H 12:18pm 6'3" L 6:20pm 1'11" .

Knappa Tide Calendar | May 2023

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

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

Knappa Textual Tide Table for May 2023


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

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 19, 2026, 12:06 AM

Small Craft Advisory

Small Craft Advisory issued June 18 at 1:16PM PDT until June 19 at 10:00AM PDT by NWS Portland OR

* WHAT...Rough bar conditions expected during a strong ebb
current of 5.74 kt. Seas 7 to 8 ft.

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

* WHEN...From 5 AM to 10 AM PDT Friday.

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

Effective: June 18, 2026, 8:16 PM

Expires: June 19, 2026, 12:30 PM

Marine Forecast (PZZ210)

PZZ210-191115-
Columbia River Bar-
117 PM PDT Thu Jun 18 2026

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

.IN THE MAIN CHANNEL...

.GENERAL SEAS...5 to 6 ft building to 6 to 7 ft Friday evening.

.FIRST EBB...Ebb current of 3.77 kt at 831 PM Thursday. Seas 5 to
6 ft.

.SECOND EBB...Strong ebb current of 5.74 kt at 835 AM Friday. Seas
7 to 8 ft.

.THIRD EBB...Ebb current of 3.85 kt at 927 PM Friday. Seas 6 to 7
ft.

$$

Land Forecast (ORZ101)

OVERNIGHT: Partly cloudy. Lows in the mid 50s. Winds light.

JUNETEENTH: Sunny. Highs in the lower 70s. Northwest wind 5 to 10 mph.

FRIDAY NIGHT: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. West wind 5 to 10 mph.

SATURDAY: Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. West wind 5 to 10 mph.

SATURDAY NIGHT: Mostly cloudy. Lows in the mid 50s. West wind 5 to 10 mph.

SUNDAY: Partly sunny in the morning, then clearing. Highs in the lower 70s.

SUNDAY NIGHT: Mostly clear. Lows in the mid 50s.

MONDAY: Sunny. Highs in the mid 80s.

MONDAY NIGHT: Mostly clear. Lows in the upper 50s.

TUESDAY: Mostly sunny. Highs in the lower 80s.

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

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

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

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

Last updated: June 19, 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.