Isles of Shoals Steamship Company
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Around here
Around Isles of Shoals Steamship Company
- Sea Coast Camping and RV ResortRV park · ★ 4.67.7 mi (opens in a new tab)
- Tidewater CampgroundRV park · ★ 3.511.2 mi (opens in a new tab)
- Hampton Beach State Park CampgroundRV park · ★ 4.512.9 mi (opens in a new tab)
- Black Bear CampgroundRV park · ★ 3.915.7 mi (opens in a new tab)
- Rusnik CampgroundRV park · ★ 3.916.6 mi (opens in a new tab)
- Beach Rose RV ParkRV park · ★ 4.317 mi (opens in a new tab)
- Great Bay National Wildlife RefugeRecreation area4.2 mi (opens in a new tab)
- Great Bay National Estuarine Research ReserveRecreation area7.1 mi (opens in a new tab)
- Parker River National Wildlife RefugeRecreation area20 mi (opens in a new tab)
- Rachel Carson National Wildlife RefugeRecreation area21.3 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
Typical flow by month
2002 to 2026
The water at Isles of Shoals Steamship Company typically runs highest in March, at a median 42 cfs, and lowest in September, at 2.5 cfs. The highest flow on record for any single day is 1,170 cfs, in 2006.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 20 | 12 to 37 |
| February | 17 | 9.8 to 33 |
| March | 42 | 27 to 69 |
| April | 37 | 23 to 56 |
| May | 17 | 10 to 34 |
| June | 11 | 5.3 to 23 |
| July | 4.0 | 2.0 to 12 |
| August | 3.2 | 0.9 to 12 |
| September | 2.5 | 0.8 to 8.9 |
| October | 7.2 | 2.2 to 21 |
| November | 17 | 8.3 to 30 |
| December | 25 | 13 to 49 |
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 24 years of record. Statistics published by the US Geological Survey for Winnicut River at Greenland, near Portsmouth, NH (site 01073785). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Today · Sat
70Go/ 100
RainWaves 2.4 ft61°FRain 70%Wind 9 kt, gusts 19
Waves
2.1 ft @ 4s
Wind
7 kt
Gusts 19 kt
Water
57°F
Air
57°F
Streamflow
49 cfs
Above normal (86th)
Water level
5.06 ft
Air quality
17 Good
Portsmouth monitor, 1 km
Tides
Falling
Low -0.2 ft at 3:57 PM
Predicted at Portsmouth, under 1 km away.
Get a 2027 tide calendar for this stationForecast from Open-Meteo global models (NOAA & ECMWF). Air quality: New Hampshire Dept. of Environmental Services via EPA AirNow. Preliminary data, not verified. Tide predictions: NOAA CO-OPS, feet above mean lower low water. See full conditions →
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