Seward Boat Harbor
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Boat launches near Seward Boat Harbor
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Typical flow by month
1965 to 2026
The water at Seward Boat Harbor typically runs highest in July, at a median 75 cfs, and lowest in February, at 6.6 cfs. The highest flow on record for any single day is 543 cfs, in 1966.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 7.7 | 6.4 to 13 | |
| February | 6.6 | 3.8 to 11 | |
| March | 6.7 | 4.0 to 9.7 | |
| April | 7.1 | 5.8 to 14 | |
| May | 28 | 23 to 44 | |
| June | 72 | 56 to 99 | |
| July | 75 | 63 to 88 | |
| August | 60 | 47 to 94 | |
| September | 64 | 42 to 97 | |
| October | 34 | 24 to 52 | |
| November | 16 | 13 to 29 | |
| December | 14 | 9.5 to 17 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 13 years of record. Statistics published by the US Geological Survey for Lowell C at Seward AK (site 15238500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Waves
0.9 ft @ 5s
Wind
5 kt
Gusts 25 kt
Water
52°F
Air
56°F
Streamflow
40 cfs
Normal (38th)
Water level
1.30 ft
Rain chance
88%
Forecast outlook
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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