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© 2026·AI-powered bite forecast
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United States / Washington / Sea Colburne Passage

Bite forecast: Sea Colburne Passage

  • 1.5 sq mi
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Best fishing days for the next week

  1. ThursdaySeptember 10weather-based forecast
    70/100high activity

    Clear: 61–86 °F

  2. WednesdaySeptember 9weather-based forecast
    69/100high activity

    Clear: 61–90 °F

  3. SundaySeptember 6weather-based forecast
    66/100high activity

    Partly cloudy: 52–77 °F

Sea Colburne Passage (Washington) — one of the area's fishing spots. About 3.9 km² in area. Salt water, not fresh — so this page carries its own marine bite forecast. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.

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Nearby water bodies

  • BaySwartz Bay0.5 mi
  • SeaGosse Passage0.6 mi
  • BayTrader Bay0.7 mi
  • BayCanoe Bay0.8 mi
  • SeaStranger Passage0.9 mi
  • SeaIroquois Passage1 mi
  • SeaJohn Passage1 mi
  • SeaPage Passage1 mi
  • BayLewis Bay1 mi
  • BayBryden Bay1 mi

Bite calendar

7–Sep 13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Bite activity:highmediumlowslow
Based on:weatherseasonal
What is a bite calendar?
FlounderCoho salmonPacific halibutRockfishLingcodSteelheadChinook salmon

Coho salmon

8/10 · Good

Hourly activity

0:006:0012:0018:0023:00
Bite activity:highmediumlow

The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite.

Peak bite hours

Best time — 06:00–08:00 (dawn bite) and 19:00–21:00 (dusk bite).

Tactics

Look for structure — reefs, flats, channel edges; work them slowly near the bottom.

Lures

In clear water, natural colors work best: trolling spoon or spinner.

Gear

It's a hot day — a hat, sunglasses, and plenty of water are a must.

Summary

Worth going — it's a productive day.

How this forecast is calculated

Why this forecast

The computed water temperature is around 70 °F — warmer than the 43–59 °F comfort range for Coho salmon: in the heat it drops deeper and feeds less often.

Computed water temperature by month; the green band is the 43–59 °F comfort rangecomfort 43–59 °F70 °F
JFMAMJJASOND

Coho salmon works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.

The day: daylight hours and when Coho salmon feeds0:0012:0024:00

Pressure is dropping 0.18 inHg over the day — fish are usually more active ahead of a weather change.

Pressure through the day, 0.18 inHg change
00:00 · 29.8423:00 · 29.66 inHg

One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.

Feeding windows on the day scale0:0012:0024:00

September is peak season for Coho salmon here.

JFMAMJJASOND

These are the same values the bite curve above was computed from. How the forecast works

Tides

  • Low water06:10-6.6 ft
  • High water12:176.6 ft
  • Low water18:27-4.6 ft
0:006:0012:0018:0023:000:006:0012:0018:0023:00
Sea level height by hour
00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
6.9 ft5.5 ft2.9 ft-0.3 ft-3.2 ft-5.5 ft-6.6 ft-6.0 ft-3.9 ft-0.8 ft2.7 ft5.3 ft6.5 ft6.2 ft4.5 ft1.9 ft-0.9 ft-3.1 ft-4.5 ft-4.4 ft-2.9 ft-0.0 ft3.2 ft5.8 ft

Open-Meteo tide model, grid point 1.9 mi away

Water

Water temp.
62 °F
In the model
70 °F
Wave
0.3 ft
Period
2 s

Open-Meteo Marine model, grid cell 1.9 mi from the waterbody. Values are daily means.

10 SepThursday, September 10
+83°

Clear · feels like +81°

Low / high
+60°…+86°
Precipitation
0.00 in
Wind
2 mph N
Cloud cover
2%
Humidity
22%
Pressure
29.70 inHg
00:00+64°—6 mphwest wind, 6 mph50%0%
01:00+63°—6 mphwest wind, 6 mph53%0%
02:00+62°—6 mphwest wind, 6 mph55%0%
03:00+61°—5 mphwest wind, 5 mph56%0%
04:00+60°—5 mphwest wind, 5 mph56%0%
05:00+60°—5 mphwest wind, 5 mph55%0%
06:00+61°—5 mphwest wind, 5 mph53%0%
07:00+62°—5 mphwest wind, 5 mph51%0%
08:00+65°—5 mphnorthwest wind, 5 mph47%0%
09:00+70°—4 mphnorthwest wind, 4 mph41%1%
10:00+75°—5 mphnorth wind, 5 mph33%3%
11:00+80°—5 mphnorth wind, 5 mph27%4%
12:00+83°—2 mphnorth wind, 2 mph22%2%
13:00+85°—3 mphsouthwest wind, 3 mph18%0%
14:00+86°—6 mphsouthwest wind, 6 mph17%2%
15:00+85°—9 mphsouthwest wind, 9 mph19%19%
16:00+83°—11 mphsouthwest wind, 11 mph22%43%
17:00+81°—12 mphsouthwest wind, 12 mph27%58%
18:00+76°—11 mphsouthwest wind, 11 mph32%53%
19:00+71°—9 mphsouthwest wind, 9 mph38%40%
20:00+67°—8 mphsouthwest wind, 8 mph43%36%
21:00+65°—7 mphsouthwest wind, 7 mph45%53%
22:00+64°—6 mphwest wind, 6 mph46%80%
23:00+62°—5 mphwest wind, 5 mph47%100%
+86°+73°+60°
Weather throughout the day
0:006:0012:0018:0023:00

Sun and moon

Thursday, September 10
The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
DaylightMoon above the horizon
Sunrise
06:32
Sunset
19:23
Day length
12 h 51 min
Sunshine hours
12 h 2 min
UV index
5
moderate
Moon
Waning crescent
Moonrise
06:08
Moonset
19:18

The day is 4 min shorter than yesterday.

Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

Solunar feeding periods

+15% in the windowThursday, September 10
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major00:00–01:28Moon underfoot
  • Minor05:38–06:38Moonrise
  • Major11:51–13:51Moon overhead
  • Minor18:48–19:48Moonset

The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.

What are solunar periods?