Knappa Tides December 2026 | Tide Charts & Tables | Columbia River, OR

Knappa Tide Chart for (Tue) December 1, 2026

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Knappa Tide Chart for (Wed) December 2, 2026

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Knappa Tide Chart for (Thu) December 3, 2026

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Knappa Tide Chart for (Fri) December 4, 2026

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Knappa Tide Chart for (Sat) December 5, 2026

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Knappa Tide Chart for (Sun) December 6, 2026

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Knappa Tide Chart for (Mon) December 7, 2026

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Knappa Tide Chart for (Tue) December 8, 2026

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Knappa Tide Chart for (Wed) December 9, 2026

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Knappa Tide Chart for (Thu) December 10, 2026

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Knappa Tide Chart for (Fri) December 11, 2026

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Knappa Tide Chart for (Sat) December 12, 2026

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Knappa Tide Chart for (Sun) December 13, 2026

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Knappa Tide Chart for (Mon) December 14, 2026

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Knappa Tide Chart for (Tue) December 15, 2026

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Knappa Tide Chart for (Wed) December 16, 2026

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Knappa Tide Chart for (Thu) December 17, 2026

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Knappa Tide Chart for (Fri) December 18, 2026

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Knappa Tide Chart for (Sat) December 19, 2026

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Knappa Tide Chart for (Sun) December 20, 2026

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Knappa Tide Chart for (Mon) December 21, 2026

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Knappa Tide Chart for (Tue) December 22, 2026

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Knappa Tide Chart for (Wed) December 23, 2026

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Knappa Tide Chart for (Thu) December 24, 2026

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Knappa Tide Chart for (Fri) December 25, 2026

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Knappa Tide Chart for (Sat) December 26, 2026

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Knappa Tide Chart for (Sun) December 27, 2026

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Knappa Tide Chart for (Mon) December 28, 2026

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Knappa Tide Chart for (Tue) December 29, 2026

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Knappa Tide Chart for (Wed) December 30, 2026

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Knappa Tide Chart for (Thu) December 31, 2026

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Knappa Tide Calendar | December 2026

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Knappa Tide Table for December 2026

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
12/1 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/2 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/3 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/4 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/5 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/6 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/7 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/8 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/9 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/10 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/11 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/12 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/13 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/14 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/15 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/16 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/17 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/18 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/19 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/20 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/21 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/22 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/23 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/24 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/25 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/26 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/27 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/28 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/29 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/30 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM 3'3" 00:00-13:11 00:00-13:11
12/31 0'0" L 4'6" 1:23AM 0'0" H 5'7" 2:34AM 0'0" L 6'8" 3:45PM 0'0" H 7'9" 4:56PM N/A 00:00-13:11 00:00-13:11

Knappa Textual Tide Table for December 2026


Dec 1st (Tue)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 2nd (Wed)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 3rd (Thu)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 4th (Fri)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 5th (Sat)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 6th (Sun)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 7th (Mon)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 8th (Tue)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 9th (Wed)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 10th (Thu)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 11th (Fri)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 12th (Sat)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 13th (Sun)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 14th (Mon)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 15th (Tue)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 16th (Wed)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 17th (Thu)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 18th (Fri)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 19th (Sat)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 20th (Sun)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 21st (Mon)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 22nd (Tue)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 23rd (Wed)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 24th (Thu)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 25th (Fri)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 26th (Sat)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 27th (Sun)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 28th (Mon)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 29th (Tue)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 30th (Wed)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"
Dec 31st (Thu)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"

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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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Tides.net is run by a couple (Chris & Susie) since 2002. Our focus is on coastal users / planners who want fast, clean tide charts and tables for planning and documenting. Sign up for unrestricted tide charts / tables and an ad-free experience. — perfect for frequent beachgoers, anglers, shellfishing, boaters, ecologists, surfers, photographers, and families planning coastal trips and especially for tidepooling.

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NOAA/NWS Forecast for Knappa

Last updated: June 4, 2026, 6:06 AM

Marine Forecast (PZZ210)

PZZ210-050830-
Columbia River Bar-
128 AM PDT Thu Jun 4 2026

.IN THE MAIN CHANNEL...

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

.FIRST EBB...Ebb current of 5.1 kt at 731 AM Thursday. Seas 5 to 6
ft.

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

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

$$

Land Forecast (ORZ101)

TODAY: Mostly cloudy this morning, then clearing. Highs in the lower 60s. West wind 5 to 10 mph.

TONIGHT: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Southwest wind 5 to 10 mph. Chance of rain 40 percent. Rainfall amounts less than a tenth of an inch.

FRIDAY: Showers likely. 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.

FRIDAY NIGHT: Showers. Lows in the upper 40s. Southwest wind 5 to 10 mph. Chance of rain near 100 percent.

SATURDAY: Showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Southwest wind 5 to 10 mph. Chance of rain near 100 percent.

SATURDAY NIGHT: Partly cloudy with a 20 percent chance of showers. Lows in the mid 40s.

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

SUNDAY NIGHT: Rain likely. Lows in the upper 40s. Chance of rain 70 percent.

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

MONDAY NIGHT: Rain likely. Lows in the lower 50s. 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: Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 60s.

Last updated: June 4, 2026, 6:06 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.