Eureka Tides August 2027 | Tide Charts & Tables | Humboldt Bay, CA

Eureka Tide Chart for (Sun) August 1, 2027

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Eureka Tide Chart for (Mon) August 2, 2027

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Eureka Tide Chart for (Tue) August 3, 2027

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Eureka Tide Chart for (Wed) August 4, 2027

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Eureka Tide Chart for (Thu) August 5, 2027

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Eureka Tide Chart for (Fri) August 6, 2027

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Eureka Tide Chart for (Sat) August 7, 2027

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Eureka Tide Chart for (Sun) August 8, 2027

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Eureka Tide Chart for (Mon) August 9, 2027

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Eureka Tide Chart for (Tue) August 10, 2027

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Eureka Tide Chart for (Wed) August 11, 2027

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Eureka Tide Chart for (Thu) August 12, 2027

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Eureka Tide Chart for (Fri) August 13, 2027

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Eureka Tide Chart for (Sat) August 14, 2027

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Eureka Tide Chart for (Sun) August 15, 2027

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Eureka Tide Chart for (Mon) August 16, 2027

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Eureka Tide Chart for (Tue) August 17, 2027

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Eureka Tide Chart for (Wed) August 18, 2027

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Eureka Tide Chart for (Thu) August 19, 2027

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Eureka Tide Chart for (Fri) August 20, 2027

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Eureka Tide Chart for (Sat) August 21, 2027

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Eureka Tide Chart for (Sun) August 22, 2027

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Eureka Tide Chart for (Mon) August 23, 2027

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Eureka Tide Chart for (Tue) August 24, 2027

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Eureka Tide Chart for (Wed) August 25, 2027

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Eureka Tide Chart for (Thu) August 26, 2027

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Eureka Tide Chart for (Fri) August 27, 2027

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Eureka Tide Chart for (Sat) August 28, 2027

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Eureka Tide Chart for (Sun) August 29, 2027

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Eureka Tide Chart for (Mon) August 30, 2027

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Eureka Tide Chart for (Tue) August 31, 2027

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Eureka Tide Calendar | August 2027

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Eureka Tide Table for August 2027

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 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
8/2 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
8/3 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
8/4 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
8/5 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
8/6 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
8/7 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
8/8 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
8/9 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
8/10 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
8/11 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
8/12 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
8/13 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
8/14 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
8/15 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
8/16 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
8/17 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
8/18 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
8/19 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
8/20 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
8/21 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
8/22 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
8/23 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
8/24 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
8/25 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
8/26 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
8/27 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
8/28 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
8/29 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
8/30 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
8/31 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

Eureka Textual Tide Table for August 2027


Aug 1st (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"
Aug 2nd (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"
Aug 3rd (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"
Aug 4th (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"
Aug 5th (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"
Aug 6th (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"
Aug 7th (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"
Aug 8th (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"
Aug 9th (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"
Aug 10th (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"
Aug 11th (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"
Aug 12th (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"
Aug 13th (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"
Aug 14th (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"
Aug 15th (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"
Aug 16th (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"
Aug 17th (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"
Aug 18th (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"
Aug 19th (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"
Aug 20th (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"
Aug 21st (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"
Aug 22nd (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"
Aug 23rd (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"
Aug 24th (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"
Aug 25th (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"
Aug 26th (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"
Aug 27th (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"
Aug 28th (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"
Aug 29th (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"
Aug 30th (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"
Aug 31st (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"

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California 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 Eureka | Small Craft Advisory

Last updated: June 14, 2026, 12:06 AM

Small Craft Advisory

Small Craft Advisory issued June 13 at 9:08PM PDT until June 14 at 3:00AM PDT by NWS Eureka CA

* WHAT...Seas 5 to 7 feet.

* WHERE...Coastal waters from Pt. St. George to Cape Mendocino
CA out 10 nm.

* WHEN...Until 3 AM PDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

Effective: June 14, 2026, 4:08 AM

Expires: June 14, 2026, 10:00 AM

Marine Forecast (PZZ450)

PZZ450-141745-
Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm-
958 PM PDT Sat Jun 13 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT SUNDAY...

.REST OF TONIGHT...S wind 5 kt. Seas 7 ft. Wave
Detail: NW 7 ft at 9 seconds. Patchy dense fog.
.SUN...S wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 8 seconds and W 1 foot at 10 seconds.
.SUN NIGHT...S wind 5 kt. Seas 4 ft. Wave Detail:
NW 3 ft at 8 seconds and W 2 ft at 11 seconds. Patchy dense fog.
.MON...W wind 5 kt. Seas 4 ft. Wave Detail: NW 3 ft
at 7 seconds and W 2 ft at 10 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail:
NW 5 ft at 8 seconds and W 2 ft at 10 seconds.
.TUE...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW 6 ft
at 8 seconds and S 2 ft at 14 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 8 ft. Wave Detail:
NW 8 ft at 9 seconds and SW 2 ft at 21 seconds.
.WED...N wind 10 to 15 kt. Seas 8 ft. Wave Detail: NW 8 ft
at 11 seconds and SW 2 ft at 19 seconds.
.WED NIGHT...N wind 5 to 10 kt. Seas 9 ft. Wave Detail: NW
8 ft at 10 seconds and SW 2 ft at 18 seconds.
.THU...SW wind 5 kt. Seas 6 ft. Wave Detail: NW
6 ft at 10 seconds and SW 2 ft at 17 seconds.
.THU NIGHT...SW wind 5 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 10 seconds and SW 3 ft at 17 seconds.

$$

Land Forecast (CAZ101)

TONIGHT: Mostly clear. Lows 55 to 65. Northwest wind around 15 mph becoming southeast around 5 mph overnight.

SUNDAY: Sunny. Highs 67 to 82. Light winds becoming southwest around 10 mph in the afternoon.

SUNDAY NIGHT: Partly cloudy. Lows 51 to 61. Southwest wind around 5 mph in the evening becoming light.

MONDAY: Mostly sunny. Highs 67 to 82. West wind around 5 mph.

MONDAY NIGHT: Partly cloudy. Lows 54 to 64. Northwest wind around 5 mph.

TUESDAY: Sunny. Highs 75 to 90. North wind around 15 mph.

TUESDAY NIGHT THROUGH WEDNESDAY NIGHT: Mostly clear. Lows 50 to 60. Highs 75 to 90.

THURSDAY: Partly cloudy. Highs 61 to 75.

THURSDAY NIGHT: Partly cloudy. Patchy fog. Lows 47 to 57.

JUNETEENTH: Mostly cloudy. Patchy fog. Highs 59 to 69.

FRIDAY NIGHT AND SATURDAY: Partly cloudy. Areas of fog. Lows 45 to 55. Highs 59 to 70.

Last updated: June 14, 2026, 12:06 AM

California State Parks

California State Parks and beaches with coastal camping, reservations, day use fees, and famous tidepool locations

CDFW

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

Eureka Public Marina and Boat Launch (Other)

City managed public marina and boat launch on the Eureka waterfront providing transient slips fuel pump out launch ramp parking and direct access to Humboldt Bay for trailered boats kayaks and small craft launches. Convenient for day trips fishing excursions and exploring the bay where strong tidal currents and ranges affect ramp usability navigation in channels and safe timing for outings to the bay mouth or offshore waters. Close to downtown Eureka shops dining and attractions it offers straightforward public access combining launch or docking with tide awareness and appreciating the scenic Humboldt Bay setting.

Humboldt Bay Maritime Museum (Other)

Maritime museum in Eureka featuring exhibits on Humboldt Bay history commercial fishing lumber shipping Native American heritage and historic vessels with waterfront access views of the bay and opportunities for shore relaxation and low tide exploration near the docks. Tidal fluctuations create dynamic bay conditions revealing changing water levels and enhancing appreciation of the working harbor from the museum grounds or nearby trails. Admission includes exhibits and occasional boat tours it provides an educational complement combining cultural history with tide watching and proximity to Eureka marinas and waterfront.

Samoa Cookhouse and Nearby Shore Access (Other)

Historic Samoa Cookhouse near Humboldt Bay offering family style meals in a logging era setting with adjacent public shoreline access for low tide beachcombing shore fishing and relaxation along the bay with views of the Samoa Peninsula and bay mouth. Tidal cycles expose extensive mudflats and intertidal zones at low tide creating opportunities for observing marine life crabs and birds while the cookhouse provides a unique dining experience tied to the area history. Convenient parking and location make it a great spot for combining shore activities with tide monitoring and enjoying the rustic charm of Humboldt Bay's west side.

Woodley Island Marina (Other)

Full service marina on Woodley Island in Humboldt Bay offering transient slips fuel pump out repairs storage and amenities with direct access to the bay channels and Pacific Ocean for boating fishing charters and coastal exploration. Protected location provides convenient docking where significant tidal ranges influence water levels navigation through the narrow channels and timing of outings to productive fishing grounds or nearby Samoa Peninsula. Proximity to Eureka restaurants shops and the Humboldt Bay Maritime Museum makes it ideal for combining marina stays with tide monitoring and enjoying this historic Northern California harbor community.