TidePlanet
Official alerts:
  • Coastal Flood Advisory: minor flooding along the shore at high tide. From 1:00 pm tomorrow to 4:00 pm tomorrow. NWS Eureka CA

Today in Arcata there are high tides at 3:06 am (5.9 ft) and 2:03 pm (8.2 ft) and low tides at 8:04 am and 9:18 pm. Tide coefficient 88. Right now the tide is rising toward the high tide at 4:03 am. The sun rises at 7:43 am and sets at 6:17 pm: 10 h 35 min of daylight. The moon is 91% illuminated (waning gibbous) and rises at 7:57 pm. Major solunar periods run from 2:00 am to 4:00 am and from 2:32 pm to 4:32 pm. The next spring tides arrive from October 26 to 28. The sea is moderate, with 5.2 ft waves. There's a light air from the north-northeast (2 mph). Overcast, 47 °F.

Fishing

Fishing in Arcata today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
6
Average day · 6 out of 10 7:10–8:20 am Also 2:10–4:00 am and 1:00–3:00 pm
  • Low tide at 8:04 am
  • Sunrise at 7:43 am
  • Steady pressure (30.12 inHg), light cross-shore wind (4 mph) and 5.4 ft waves
  • Waning gibbous: a bit more activity than at the quarters
  • Highest tide coefficient today: 88 (average tides)

Your day at a glance

The best window, 7:10 am to 8:20 am, combines the 8:04 am low tide and sunrise. Also good from 2:10 am to 4:00 am, with the 3:06 am high tide and a major period. Also good from 1:00 pm to 3:00 pm, with the 2:03 pm high tide and a major period.

Species with the most records nearby: black rockfish, lingcod and market squid. October is one of the months when these are seen most: black rockfish and lingcod. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Arcata

Beach forecast, 7 days →

Is it a beach day?

0
Not a beach day · 0 out of 10 No good beach time today.
  • Sunny
  • Cross-shore breeze (11 mph)
  • UV 3 (moderate): SPF 30 sunscreen
  • Low tide at 8:04 am: more sand
  • Feels like 53 °F: chilly for the beach
  • Swim with care: 5.4 ft waves every 10 s; moderate rip current risk

Today, hour by hour

  • Swimming Use care · 5.4 ft

    5.4 ft waves every 10 s: swim with care and stay where you can stand. Moderate rip current risk. Always follow the lifeguard's flags.

  • Water 56 °F

    Very cold: ease in and keep swims short.

  • Sun & sunscreen UV 3 · SPF 30

    Max UV 3 (moderate): SPF 30 sunscreen, reapplied every 2 hours.

  • Wind 11 mph

    Cross-shore breeze (11 mph).

  • Tide & sand 8:04 am

    Low tide at 8:04 am and 9:18 pm: that's when there's the most sand. High tide at 3:06 am and 2:03 pm.

We don't have data on jellyfish, sargassum or beach closures: ask the lifeguard or check with the local beach authority. How it works · The next 7 days

Beaches near Arcata

We don't know of any named beaches within 6.2 mi of Arcata.

Missing one? Beaches come from OpenStreetMap: you can add it there. Add or fix on OpenStreetMap

Beaches and amenities: © OpenStreetMap contributors (ODbL).

Tides

Tides in Arcata

Tides for 7 days →

Today's high and low tides

  • ▲ High tide 3:06 am 5.9 ft · coef. 88
  • ▼ Low tide 8:04 am 2.9 ft
  • ▲ High tide 2:03 pm 8.2 ft · coef. 86
  • ▼ Low tide 9:18 pm -1.3 ft

↑ Rising The tide is rising. 6 h 22 min to high tide at 4:03 am.

Tide coefficient 88 for the 3:06 am high tide and 86 for the 2:03 pm high tide. Average coefficient. The water rises and falls 9.4 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?

2026 extremes: the highest tide of the year is on December 24 (8.9 ft) and the lowest, on June 16 (-2.3 ft).

Mixed: two high and two low tides a day, but of quite different heights.

Heights above mean lower low water (MLLW), the zero of US nautical charts. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. MLLW

Tide coefficient and range in October

The biggest tides of the month came from October 9 to 11 (coefficient 90, 7.8 ft range). The smallest, on October 18 (coefficient 37, 4.8 ft).

Tide and solunar table · this week

Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Wed 28 7:43 am · 6:17 pm High tide 3:06 am · 5.9 ft Low tide 8:04 am · 2.9 ft High tide 2:03 pm · 8.2 ft Low tide 9:18 pm · -1.3 ft Coef. 88 91% Major periods 2:00 am · 2:32 pm Medium
Thu 29 7:44 am · 6:16 pm High tide 4:03 am · 5.7 ft Low tide 8:51 am · 3.3 ft High tide 2:49 pm · 8.0 ft Low tide 10:10 pm · -1.1 ft Coef. 83 83% Major periods 3:04 am · 3:36 pm Medium
Fri 30 7:45 am · 6:15 pm High tide 5:04 am · 5.5 ft Low tide 9:45 am · 3.5 ft High tide 3:42 pm · 7.6 ft Low tide 11:07 pm · -0.8 ft Coef. 75 73% Major periods 4:08 am · 4:40 pm Medium
Sat 31 7:46 am · 6:13 pm High tide 6:10 am · 5.4 ft Low tide 10:52 am · 3.7 ft High tide 4:45 pm · 7.1 ft — Coef. 67 62% Major periods 5:10 am · 5:39 pm Medium
Sun 1 6:47 am · 5:12 pm Low tide 12:09 am · -0.4 ft High tide 6:16 am · 5.5 ft Low tide 11:14 am · 3.6 ft High tide 5:00 pm · 6.5 ft Coef. 62 Last quarter Major periods 5:07 am · 5:34 pm Medium
Mon 2 6:48 am · 5:11 pm Low tide 12:12 am · 0.0 ft High tide 7:16 am · 5.8 ft Low tide 12:42 pm · 3.2 ft High tide 6:21 pm · 6.1 ft Coef. 62 39% Major periods 5:59 am · 6:24 pm Medium
Tue 3 6:50 am · 5:10 pm Low tide 1:14 am · 0.4 ft High tide 8:08 am · 6.2 ft Low tide 2:01 pm · 2.5 ft High tide 7:42 pm · 5.8 ft Coef. 67 29% Major periods 6:48 am · 7:11 pm Medium

▲ high tide · ▼ low tide · heights above MLLW. Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.

Where this tide comes from

A · Official station

Tides from the Arcata Wharf station (NOAA), 2.1 mi from Arcata. Times and heights are its predictions. It is a NOAA subordinate station: its times and heights come from the Humboldt Bay (North Spit) reference station with the official corrections.

Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database)

How we calculate the tide

Sea and waves

The sea at Arcata

7-day waves

Sea stateSea state: moderate

Moderate Douglas 4 · gentle breeze, Beaufort 3
Waves 5.2 ft · 9.9 s from the northwest (306°)
Swell 4.3 ft · 6.5 s from the northwest
Current 0.3 mph toward the SW

The waves you may find

  • Most commonMost common2.6 ft
  • Significant5.2 ft
  • Highest expectedHighest10 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 10 ft. Before heading out, expect waves of up to 10 ft.

Wind on the coast and offshore

On the coast 2 mph NNE · gusts 5
Offshore (12 mi SW)Offshore 9 mph NNE · gusts 16

Offshore wind. The coast faces southwest and the wind blows from land out to sea: calm shore and clean waves, but watch the drift out to sea.

Offshore Hourly wind →

Wave height, next 7 daysWaves, next 7 days

Waves build over the next few days. The biggest waves arrive on Monday 2: 7.8 ft with a period of 16 s, from the west-northwest (moderate).

Water temperature

Water temperature →
Water now55.8 °F
Today 55.8–56.1 °F air: 39 / 57 °F

Water temperature changes how fish behave: in very cold or very warm water they feed less. The water is steady these days, with no sudden changes.

Water warmer than normal for late October (+2.6 °F).

Water temperature →

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 9:41 pm (local time).

Nearest buoy

Humboldt Bay, North Spit, CA (168) Buoy 46244 · 15 mi W of here Measured at 8:26 pm, 1 h 15 min ago
Waves 6.2 ft · 13 s from the west-northwest (292°)
Water 57.4 °F

This is a real measurement of the sea, not a forecast. Data from station 46244, courtesy of CDIP (Coastal Data Information Program, Scripps Institution of Oceanography), via the NOAA National Data Buoy Center.

Diving

Diving in Arcata today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: fair
7
Good day · 7 out of 10 1:00–3:00 pm Also 7:40–9:20 am
  • Slack water around high tide (2:03 pm): little current from 1:40 pm to 2:30 pm
  • 4.2 ft swell at 7 s from the northwest: some surge on the bottom
  • Light cross-shore wind (9 mph)
  • 0.1 mph current toward the south, weak (model)
  • Sun high: more light underwater
Swell 4.2 ft 7 s · from the NW
Likely visibility Fair Snorkeling: poor
Water and suit 55.8 °F 7 mm semi-dry suit
Current 0.1 mph toward the S
  • Slack water today: high tide 3:06 am (2:40–3:40 am), low tide 8:04 am (7:30–8:30 am), high tide 2:03 pm (1:40–2:30 pm) and low tide 9:18 pm (9:00–9:33 pm)
  • Likely visibility: fair. Swell (up to 4.7 ft at 7 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 55.8 °F: a 7 mm semi-dry suit, with hood, gloves and booties.
  • Snorkeling: better not, with these waves, wind or current.
  • Night dive: dark from 6:45 pm. Waning gibbous (91%), rising at 7:57 pm: a bright night.

Your diving day at a glance

The best window, 1:00 pm to 3:00 pm, combines slack water at high tide, light wind, weak current and the sun high, though with some swell. Also worth a look from 7:40 am to 9:20 am, with slack water at low tide, light wind and weak current, though with some swell.

Slack water comes from the tide: in inlets, channels and between islands the water can keep running for an hour or two after. Ask the local dive shop.

Never dive alone and check with the local dive shop: this rating is a guide, not a substitute for a professional.

How it works · Next 7 days

Dive sites, wrecks and dive shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Within 12 mi. Some may be missing or closed; marine reserves usually need a permit. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap

Sites: © OpenStreetMap contributors (ODbL).

Weather

Weather in Arcata

14-day weather

Now in Arcata

Now 47 °F Overcast · feels like 44 °F · 39 / 57 °F
Low / high
39 / 57 °F
Rain
0.00 in · 0%
Clouds
100%
Humidity
74%
Dew pointDew point
40 °F
Visibility
11 mi
UV indexUV
0 · low
Air qualityAir
Good · 37
Saharan dust
No

Pressure and fishing

  • ↗ RisingRising Anglers say fish bite less for a while
  • → SteadySteady · now Anglers expect normal activity
  • ↘ FallingFalling Anglers say fish feed more before the change

Steady now (+0.00 inHg in 3 hours). Over the next 48 hours: −0.11 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Today, hour by hourHour by hour

Bars: mean wind. Dashed line: gusts. Arrows point where the wind blows to.

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky ClearClearClearClear skyClear skyClear skyPartly cloudyOvercast
Temperature 44°41°39°42°55°57°52°48°
Wind (mph) 1 E4 E2 SE2 SE6 NW11 NNW5 NNW3 NE
Gusts 86221016157
Waves 5.5 ft5.6 ft5.5 ft5.4 ft5.2 ft5.2 ft5.1 ft5.2 ft
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
  • 9:00 pm 48° 3 NE 5.2 ft
  • 12:00 am 46° 3 NNE 5.4 ft
  • 3:00 am 44° 2 ENE 5.4 ft
  • 6:00 am 44° 3 NE 5.5 ft
  • 9:00 am 44° 2 NNE 5.5 ft
  • 12:00 pm 57° 7 NNW 5.4 ft
  • 3:00 pm 57° 11 NNW 5.3 ft
  • 6:00 pm 54° 4 N 5.2 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 28 Overcast 39 / 57 °F 11 mph N 5.6 ft 3:06 am · 2:03 pm
Thu 29 Overcast 43 / 57 °F 11 mph N 5.5 ft 4:03 am · 2:49 pm
Fri 30 Overcast 43 / 55 °F 4 mph NNE 4.9 ft 5:04 am · 3:42 pm
Sat 31 Drizzle 43 / 53 °F 3 mph NE 3.9 ft 6:10 am · 4:45 pm
Sun 1 Partly cloudy 41 / 55 °F 8 mph NNE 5.5 ft 6:16 am · 5:00 pm
Mon 2 Overcast 44 / 58 °F 3 mph ESE 7.8 ft 7:16 am · 6:21 pm
Tue 3 Overcast 48 / 58 °F 2 mph ESE 7.7 ft 8:08 am · 7:42 pm
Wed 4 Overcast 48 / 58 °F 3 mph SSE 6.2 ft 8:51 am · 8:57 pm
Thu 5 Light drizzle 49 / 57 °F 4 mph S 7.0 ft 9:29 am · 10:03 pm
Fri 6 Drizzle 49 / 55 °F 3 mph S 10 ft 10:04 am · 11:02 pm
Sat 7 Heavy drizzle 49 / 56 °F 3 mph SSE 7.5 ft 10:36 am · 11:55 pm
Sun 8 Light rain 50 / 64 °F 5 mph SSE 8.3 ft 11:07 am
Mon 9 Overcast 54 / 70 °F 5 mph SE 7.8 ft 12:43 am · 11:38 am
Tue 10 Overcast 54 / 72 °F 10 mph SSE 7.2 ft 1:27 am · 12:08 pm
  • Thu 29 Overcast 43° / 57° 5.5 ft
  • Fri 30 Overcast 43° / 55° 4.9 ft
  • Sat 31 Drizzle 43° / 53° 3.9 ft
  • Sun 1 Partly cloudy 41° / 55° 5.5 ft
  • Mon 2 Overcast 44° / 58° 7.8 ft
  • Tue 3 Overcast 48° / 58° 7.7 ft
  • Wed 4 Overcast 48° / 58° 6.2 ft
See all 14 days →

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.

  • Normal Today, cooler than normal for late October (−6.6 °F; normal high: 64 °F). Climate by month →

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 9:41 pm (local time).

Sun

The sun in Arcata

Sunrise and sunset →

Sunrise and sunset

Rises 7:43 am in the ESE (107°)ESE
Sets 6:17 pm in the WSW (253°)WSW
  • First light 6:42 am
  • Full dark 7:18 pm
  • Civil dawn 7:14 am
  • Civil dusk 6:45 pm
  • Solar noon 1:00 pm (36° high)
  • Daylight 10 h 35 min (−2 min)
  • Evening golden hour 5:39 pm
  • Full dark 7:18 pm

Golden hour and the day-night map

Morning golden hour7:43–8:21 am
Evening golden hour5:39–6:17 pm
Arcata

Today the sun is 92,351,449 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Arcata

The moon for 7 days →

Moon phase and position

Waning gibbous · 91% 91% illuminated · 18.1 days old New moon on Sun, Nov 8 · 11:03 pm
Rises 7:57 pm in the NE (53°)NE
Sets 12:12 pm tomorrow · in the NW (308°) · set at 11:03 am
Transit 3:00 am overhead
Visible 16 h 15 min from 7:57 pm to 12:12 pm

Today the moon is 226,426 mi away and looks 32′ 47″ across.

Solunar periods

Today's activity: medium
  • 2:00–4:00 am Major · the moon passes overhead · high activity
  • 2:32–4:32 pm Major · the moon passes underfoot · high activity
  • 10:33–11:33 am Minor · moonset · medium activity
  • 7:27–8:27 pm Minor · moonrise · medium activity

According to solunar theory, fish feed more when the moon passes overhead or underfoot (major periods, about 2 h) and when it rises or sets (minor periods, 1 h). It works best around new and full moon.

Upcoming moon phases

2026 moon calendar →
  • Last quarter Sun, Nov 1 · 12:29 pmNov 1 in 4 days
  • New moon Sun, Nov 8 · 11:03 pmNov 8 in 11 days
  • First quarter Tue, Nov 17 · 3:48 amNov 17 in 20 days
  • Full moon Tue, Nov 24 · 6:54 amNov 24 in 27 days

Perigee on October 28, 226,426 mi away, coinciding with the spring tides from October 26 to 28: they will be stronger than usual.

Place

Where to fish in Arcata

All places in California →

Piers, ramps and tackle shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Within 9.3 mi. A spot may be missing or closed. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap

Spots: © OpenStreetMap contributors (ODbL) and Overture Maps.

Water depth

Very shallow

Very shallow and flat: even 3.1 mi from shore the water is less than 16 ft deep.

From the shoreline (1.1 mi from Arcata) out to sea, heading southwest.

How far from shore

  • 16 ft deepnot within 3.1 mi
  • 33 ft deepnot within 3.1 mi
  • 66 ft deepnot within 3.1 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Very shallow: the water doesn't reach 16 ft within 3.1 mi. Cast far from the beach, ideally around high tide.
  • Swimming. A very gentle way in with plenty of shallow water, good for kids. At low tide the water can be far out.
  • Diving. Shallow: the water doesn't reach 33 ft within 3.1 mi. For deeper dives, take a boat farther out.

Inside bays, estuaries and harbors the bottom changes a lot from spot to spot (channels and shoals): use this only as a rough guide.

Source: NOAA U.S. Coastal Relief Model (public domain), cells of about 300 ft; depth below mean sea level. For reference only: not for navigation or anchoring.

Tides near ArcataTides nearby

All places in California, A to Z (712) →

Arcata at a glance

  • Town or city of about 17,843 people. Coordinates: 40.867° N, 124.083° W.
  • It is 680 mi northwest of San Diego, the main place in California. The sun rises 39 min later and sets 16 min later than in San Diego.
  • The nearest tide station, Arcata Wharf, is 2.1 mi to the southwest.
  • Its coast faces southwest.

Questions about ArcataQuestions

What time is high tide today in Arcata?

Today in Arcata there are high tides at 3:06 am (5.9 ft) and 2:03 pm (8.2 ft) and low tides at 8:04 am and 9:18 pm. Tide coefficient 88.

What time is sunset today in Arcata?

At 6:17 pm. There is light until the end of civil twilight, at 6:45 pm.

What time is sunrise tomorrow in Arcata?

At 7:44 am. First light comes at 6:43 am.

What phase is the moon today?

Waning gibbous, 91% illuminated. New moon on Sun, Nov 8 · 11:03 pm.

When are the next spring tides?

From October 26 to 28, together with the lunar perigee: they will be stronger than usual.

What are today's solunar periods?

Major 2:00–4:00 am, Minor 10:33–11:33 am, Major 2:32–4:32 pm, Minor 7:27–8:27 pm. Today's activity is medium.

What's the weather like today in Arcata?

Overcast, from 39 °F to 57 °F, with a light air from the north-northeast (2 mph) and a 0% chance of rain.

How is the sea today in Arcata?

Moderate (Douglas 4): 5.2 ft waves with a period of 9.9 s from the northwest. The water is 55.8 °F.

When is the best time to visit Arcata?

The best time to visit Arcata is from July to September: highs of 71 °F, barely 1 rainy day a month and 8 hours of sunshine a day.

Can I use this data for navigation?

No. These are predictions for fishing and leisure; for navigation, use the official publications.

Where this data comes from

Tide: NOAA station Arcata Wharf (public domain), via Slackwater database. Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).

Spotted a mistake? Tell us · How we calculate the tide

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