Portage Bay Tides Today
Kupreanof Island · Petersburg Borough, AK · NOAA TWC1663
- Low4:20AM1.9 ft
- High10:34AM16.6 ft
- Low4:59PM-0.3 ft
- High11:14PM14.6 ft
Local Alaska time. Heights in feet above average low water (MLLW). Shaded bands are today's best fishing windows.
Fishing Outlook
The low tide at 4:59 PM lands near sunset, and the tides are among the strongest this week.
Best Windows Today
- 9:34 to 11:34 AMaround high tide
- 3:59 to 5:59 PMaround low tide
Solunar Times
- Minor3:51 to 4:51 AMmoonrise
- Major8:39 to 10:39 AMmoon overhead
- Minor2:10 to 3:10 PMmoonset
- Major9:01 to 11:01 PMmoon underfoot
Major periods are the two hours around the moon overhead or underfoot. Minor periods are the hour around moonrise and moonset.
Fishing Outlook
No tide change lands near sunrise or sunset, and the tides are among the strongest this week.
Best Windows Today
- 10:08 AM to 12:08 PMaround high tide
Solunar Times
- Minor5:16 to 6:16 AMmoonrise
- Major9:24 to 11:24 AMmoon overhead
- Minor2:17 to 3:17 PMmoonset
- Major9:47 to 11:47 PMmoon underfoot
Major periods are the two hours around the moon overhead or underfoot. Minor periods are the hour around moonrise and moonset.
Fishing here? See Alaska fishing license info and sport fishing regulations from the Alaska Department of Fish and Game.
Weather and Wind
- TodayHigh 45°Light rain 96% rainS 20 to 25 mph
- TonightLow 34°Chance light rain 48% rainS 15 mph
- SaturdayHigh 43°Light rain 89% rainE 10 mph
Boating Forecast
Frederick Sound · issued Fri 6:07 AM
- Today
- SE wind 30 kt diminishing to 20 kt in the afternoon. Seas 6 ft.
- Tonight
- SE wind 20 kt. Seas 4 ft.
- Sat
- SE wind 15 kt becoming NE 25 kt in the afternoon. Seas 4 ft. Rain in the afternoon.
From the National Weather Service. Arrows point the way the wind blows.
Next 7 Days
30 Day Tide Table| Day | Fishing | High Tides | Low Tides | Moon |
|---|---|---|---|---|
| SaturdayNov 7 | 11:08 AM 17.1 ft11:57 PM 14.9 ft | 5:02 AM 2.1 ft5:38 PM -1.2 ft | ||
| SundayNov 8 | 11:40 AM 17.3 ft | 5:41 AM 2.4 ft6:14 PM -1.6 ft | ||
| MondayNov 9 | 12:37 AM 14.9 ft12:11 PM 17.3 ft | 6:18 AM 2.9 ft6:48 PM -1.7 ft | ||
| TuesdayNov 10 | 1:14 AM 14.7 ft12:43 PM 17.1 ft | 6:53 AM 3.5 ft7:22 PM -1.3 ft | ||
| WednesdayNov 11 | 1:50 AM 14.3 ft1:15 PM 16.6 ft | 7:28 AM 4.2 ft7:55 PM -0.7 ft | ||
| ThursdayNov 12 | 2:26 AM 13.8 ft1:49 PM 16.0 ft | 8:03 AM 4.9 ft8:30 PM 0.1 ft | ||
| FridayNov 13 | 3:03 AM 13.1 ft2:25 PM 15.2 ft | 8:39 AM 5.6 ft9:07 PM 0.9 ft |
About the Tides at Portage Bay
Portage Bay gets two high tides and two low tides most days, both about the same size. On a typical day the water rises and falls about 14.2 feet.
Over the next two weeks the biggest tides come on Monday, November 9, when the water moves about 19.0 feet. The lowest water is -1.7 ft on Monday, November 9 at 6:48 PM, and the highest is 17.3 ft on Sunday, November 8 at 11:40 AM. A minus tide like that uncovers the most beach, flats and tide pools.
NOAA works out the times here from its reference station at Juneau, adjusted for this location.
Official NOAA prediction for station TWC1663, Portage Bay, Kupreanof Island, timed from its reference station Juneau (9452210). Updated Fri, 06 Nov 2026 17:46 GMT.