Knapp Landing Tides February 2025 | Tide Charts & Tables | Columbia River, WA

Knapp Landing Tide Chart for (Sat) February 1, 2025

Knapp Landing tide chart for Saturday, February 1, 2025
Knapp Landing tides for Feb 1st, the sunrise is 7:31am-5:17pm and the tide times are L 3:35am -0'5" H 7:56am 8'10" L 3:53pm 1'11" H 7:39pm 9'0" .

Knapp Landing Tide Chart for (Sun) February 2, 2025

Knapp Landing tide chart for Sunday, February 2, 2025
Knapp Landing tides for Feb 2nd, the sunrise is 7:30am-5:19pm and the tide times are L 4:10am 0'0" H 8:29am 9'1" L 4:42pm 1'6" H 8:31pm 8'3" .

Knapp Landing Tide Chart for (Mon) February 3, 2025

Knapp Landing tide chart for Monday, February 3, 2025
Knapp Landing tides for Feb 3rd, the sunrise is 7:29am-5:20pm and the tide times are L 4:46am 0'8" H 9:05am 9'4" L 5:37pm 1'3" H 9:31pm 7'6" .

Knapp Landing Tide Chart for (Tue) February 4, 2025

Knapp Landing tide chart for Tuesday, February 4, 2025
Knapp Landing tides for Feb 4th, the sunrise is 7:28am-5:22pm and the tide times are L 5:25am 1'6" H 9:46am 9'5" L 6:39pm 1'1" H 10:42pm 6'8" .

Knapp Landing Tide Chart for (Wed) February 5, 2025

Knapp Landing tide chart for Wednesday, February 5, 2025
Knapp Landing tides for Feb 5th, the sunrise is 7:26am-5:23pm and the tide times are L 6:11am 2'5" H 10:33am 9'3" L 7:51pm 1'0" .

Knapp Landing Tide Chart for (Thu) February 6, 2025

Knapp Landing tide chart for Thursday, February 6, 2025
Knapp Landing tides for Feb 6th, the sunrise is 7:25am-5:25pm and the tide times are H 12:05am 6'2" L 7:08am 3'3" H 11:29am 9'1" L 9:09pm 0'9" .

Knapp Landing Tide Chart for (Fri) February 7, 2025

Knapp Landing tide chart for Friday, February 7, 2025
Knapp Landing tides for Feb 7th, the sunrise is 7:24am-5:26pm and the tide times are H 1:33am 6'1" L 8:22am 3'10" H 12:36pm 8'11" L 10:24pm 0'4" .

Knapp Landing Tide Chart for (Sat) February 8, 2025

Knapp Landing tide chart for Saturday, February 8, 2025
Knapp Landing tides for Feb 8th, the sunrise is 7:22am-5:28pm and the tide times are H 2:51am 6'5" L 9:44am 4'0" H 1:46pm 8'10" L 11:29pm -0'0" .

Knapp Landing Tide Chart for (Sun) February 9, 2025

Knapp Landing tide chart for Sunday, February 9, 2025
Knapp Landing tides for Feb 9th, the sunrise is 7:21am-5:29pm and the tide times are H 3:54am 6'11" L 10:58am 3'10" H 2:52pm 8'11" .

Knapp Landing Tide Chart for (Mon) February 10, 2025

Knapp Landing tide chart for Monday, February 10, 2025
Knapp Landing tides for Feb 10th, the sunrise is 7:20am-5:30pm and the tide times are L 12:23am -0'4" H 4:45am 7'4" L 12:01pm 3'6" H 3:51pm 9'0" .

Knapp Landing Tide Chart for (Tue) February 11, 2025

Knapp Landing tide chart for Tuesday, February 11, 2025
Knapp Landing tides for Feb 11th, the sunrise is 7:18am-5:32pm and the tide times are L 1:09am -0'6" H 5:28am 7'9" L 12:55pm 3'1" H 4:42pm 9'0" .

Knapp Landing Tide Chart for (Wed) February 12, 2025

Knapp Landing tide chart for Wednesday, February 12, 2025
Knapp Landing tides for Feb 12th, the sunrise is 7:17am-5:33pm and the tide times are L 1:49am -0'6" H 6:06am 8'1" L 1:43pm 2'8" H 5:28pm 9'0" .

Knapp Landing Tide Chart for (Thu) February 13, 2025

Knapp Landing tide chart for Thursday, February 13, 2025
Knapp Landing tides for Feb 13th, the sunrise is 7:15am-5:35pm and the tide times are L 2:24am -0'4" H 6:41am 8'3" L 2:26pm 2'4" H 6:10pm 8'9" .

Knapp Landing Tide Chart for (Fri) February 14, 2025

Knapp Landing tide chart for Friday, February 14, 2025
Knapp Landing tides for Feb 14th, the sunrise is 7:13am-5:36pm and the tide times are L 2:56am -0'0" H 7:11am 8'5" L 3:07pm 2'1" H 6:50pm 8'6" .

Knapp Landing Tide Chart for (Sat) February 15, 2025

Knapp Landing tide chart for Saturday, February 15, 2025
Knapp Landing tides for Feb 15th, the sunrise is 7:12am-5:38pm and the tide times are L 3:25am 0'4" H 7:39am 8'6" L 3:45pm 1'10" H 7:30pm 8'1" .

Knapp Landing Tide Chart for (Sun) February 16, 2025

Knapp Landing tide chart for Sunday, February 16, 2025
Knapp Landing tides for Feb 16th, the sunrise is 7:10am-5:39pm and the tide times are L 3:52am 0'10" H 8:04am 8'6" L 4:23pm 1'8" H 8:10pm 7'7" .

Knapp Landing Tide Chart for (Mon) February 17, 2025

Knapp Landing tide chart for Monday, February 17, 2025
Knapp Landing tides for Feb 17th, the sunrise is 7:09am-5:41pm and the tide times are L 4:17am 1'5" H 8:28am 8'6" L 5:01pm 1'7" H 8:54pm 7'0" .

Knapp Landing Tide Chart for (Tue) February 18, 2025

Knapp Landing tide chart for Tuesday, February 18, 2025
Knapp Landing tides for Feb 18th, the sunrise is 7:07am-5:42pm and the tide times are L 4:44am 2'0" H 8:53am 8'6" L 5:42pm 1'7" H 9:45pm 6'5" .

Knapp Landing Tide Chart for (Wed) February 19, 2025

Knapp Landing tide chart for Wednesday, February 19, 2025
Knapp Landing tides for Feb 19th, the sunrise is 7:06am-5:44pm and the tide times are L 5:13am 2'8" H 9:22am 8'5" L 6:31pm 1'7" H 10:49pm 5'11" .

Knapp Landing Tide Chart for (Thu) February 20, 2025

Knapp Landing tide chart for Thursday, February 20, 2025
Knapp Landing tides for Feb 20th, the sunrise is 7:04am-5:45pm and the tide times are L 5:50am 3'3" H 10:00am 8'3" L 7:34pm 1'8" .

Knapp Landing Tide Chart for (Fri) February 21, 2025

Knapp Landing tide chart for Friday, February 21, 2025
Knapp Landing tides for Feb 21st, the sunrise is 7:02am-5:46pm and the tide times are H 12:09am 5'7" L 6:40am 3'11" H 10:51am 8'1" L 8:50pm 1'6" .

Knapp Landing Tide Chart for (Sat) February 22, 2025

Knapp Landing tide chart for Saturday, February 22, 2025
Knapp Landing tides for Feb 22nd, the sunrise is 7:00am-5:48pm and the tide times are H 1:33am 5'8" L 7:55am 4'4" H 11:57am 7'11" L 10:04pm 1'2" .

Knapp Landing Tide Chart for (Sun) February 23, 2025

Knapp Landing tide chart for Sunday, February 23, 2025
Knapp Landing tides for Feb 23rd, the sunrise is 6:59am-5:49pm and the tide times are H 2:43am 6'0" L 9:22am 4'4" H 1:13pm 8'0" L 11:05pm 0'7" .

Knapp Landing Tide Chart for (Mon) February 24, 2025

Knapp Landing tide chart for Monday, February 24, 2025
Knapp Landing tides for Feb 24th, the sunrise is 6:57am-5:51pm and the tide times are H 3:38am 6'6" L 10:37am 4'1" H 2:22pm 8'4" L 11:55pm 0'1" .

Knapp Landing Tide Chart for (Tue) February 25, 2025

Knapp Landing tide chart for Tuesday, February 25, 2025
Knapp Landing tides for Feb 25th, the sunrise is 6:55am-5:52pm and the tide times are H 4:22am 7'0" L 11:37am 3'7" H 3:22pm 8'9" .

Knapp Landing Tide Chart for (Wed) February 26, 2025

Knapp Landing tide chart for Wednesday, February 26, 2025
Knapp Landing tides for Feb 26th, the sunrise is 6:54am-5:54pm and the tide times are L 12:38am -0'3" H 5:00am 7'6" L 12:30pm 2'11" H 4:16pm 9'1" .

Knapp Landing Tide Chart for (Thu) February 27, 2025

Knapp Landing tide chart for Thursday, February 27, 2025
Knapp Landing tides for Feb 27th, the sunrise is 6:52am-5:55pm and the tide times are L 1:17am -0'6" H 5:35am 8'0" L 1:18pm 2'2" H 5:07pm 9'3" .

Knapp Landing Tide Chart for (Fri) February 28, 2025

Knapp Landing tide chart for Friday, February 28, 2025
Knapp Landing tides for Feb 28th, the sunrise is 6:50am-5:56pm and the tide times are L 1:54am -0'6" H 6:09am 8'6" L 2:05pm 1'5" H 5:56pm 9'3" .

Knapp Landing Tide Calendar | February 2025

Sun Mon Tue Wed Thu Fri Sat
 
 

Restricted days available with membership — details below


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

Knapp Landing Textual Tide Table for February 2025


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

Washington 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 Knapp Landing | Heat Advisory

Last updated: June 21, 2026, 6:17 PM

Heat Advisory

Heat Advisory issued June 21 at 10:35AM PDT until June 23 at 11:00PM PDT by NWS Portland OR

* WHAT...Temperatures up to 93 to 98 expected.

* WHERE...Western and Central Columbia River Gorge, Portland Metro
Lowlands, Inner Vancouver Metro, and East Clark County Lowlands.

* WHEN...From 11 AM Monday to 11 PM PDT Tuesday.

* IMPACTS...Hot temperatures may cause heat illnesses.

Effective: June 21, 2026, 5:35 PM

Expires: June 22, 2026, 5:45 AM

Land Forecast (WAZ206)

TONIGHT: Clear. Lows in the mid 50s. Northwest wind 5 to 10 mph.

MONDAY: Sunny. Highs in the lower 90s. North wind 5 to 10 mph.

MONDAY NIGHT: Mostly clear. Lows around 60. North wind 5 to 10 mph.

TUESDAY: Mostly sunny. Highs in the mid 90s. North wind 5 to 10 mph.

TUESDAY NIGHT: Mostly clear. Lows in the upper 50s. Northwest wind 5 to 10 mph.

WEDNESDAY: Sunny. Highs in the lower 90s.

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

THURSDAY: Partly sunny. Highs in the upper 70s.

THURSDAY NIGHT: Rain likely. Lows in the upper 50s. Chance of rain 70 percent.

FRIDAY: Rain likely. Highs in the mid 60s. Chance of rain 70 percent.

FRIDAY NIGHT: Rain likely. Lows in the mid 50s. Chance of rain 70 percent.

SATURDAY: Rain likely. Highs in the mid 60s. Chance of rain 70 percent.

SATURDAY NIGHT: Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of rain. Lows in the lower 50s.

SUNDAY: Partly sunny with a 40 percent chance of rain. Highs around 70.

Last updated: June 21, 2026, 6:17 PM

Washington State Parks

Washington State Parks and beaches with coastal camping, reservations, day use fees, and tidepool access information

WDFW

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

Columbia River Lower Section Boating Overview (Other)

Overview of lower Columbia River boating near Knapp Landing 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 Access (Other)

Informal boating access via Knappa Slough near Knapp Landing on the lower Columbia River, referenced in regional guides for small boat, fishing, and exploration use. Connects to main Columbia channels with opportunities for salmon fishing, crabbing, and tidal river travel. Strong tides and currents require caution for launches, navigation, and avoiding shallows; check Marine Board or local conditions for safe use in the area.

Lower Columbia River Boating Guide Oregon Marine Board (Other)

Oregon State Marine Board guide to the lower Columbia and Willamette Rivers including areas near Knapp Landing and Knappa Slough on the Columbia River. Details public ramps, moorages, navigation hazards, channels, and facilities for recreational boating in the tidal lower river section. Useful for planning launches and tide-aware travel with notes on currents, shoals, and safe navigation in the Astoria vicinity.