Skip to content
Roberts Cove Basin Marina

About

Roberts Cove Basin Marina is a marina in Alton, New Hampshire. Powerboat charters and rentals.

Gallery

Operator details

Vessels
Powerboat

Boater reviews

4.8on Google, 100 reviews
Read the reviews on Google Maps

Rating from Google.

Around here

Around Roberts Cove Basin Marina

2 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

Typical flow by month

1937 to 2026

The water at Roberts Cove Basin Marina typically runs highest in April, at a median 1,030 cfs, and lowest in September, at 306 cfs. The highest flow on record for any single day is 4,480 cfs, in 1984.

Show the numbers
Typical flow by month at Winnipesaukee River at Tilton, NH, in cfs
MonthTypical (cfs)Usual range (cfs)
January812551 to 1,210
February823513 to 1,210
March871542 to 1,220
April1,030586 to 1,585
May743398 to 1,400
June502321 to 1,015
July327275 to 546
August306265 to 502
September306263 to 505
October323256 to 520
November426296 to 738
December620356 to 1,030

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 90 years of record. Statistics published by the US Geological Survey for Winnipesaukee River at Tilton, NH (site 01081000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

Today · Sun

42Maybe/ 100

Wind 15 kt · 66% chance of rain

RainHigh 48°F, low 41°FRain 66%Wind 15 kt, gusts 30

Streamflow

100 cfs

Much below normal (5th)

Water level

1.80 ft

Air quality

3 Good

Laconia Main St monitor, 20 km

National Weather ServiceBelow flood stage

Flood stage 7 ft. NWS reads 1.81 ft here.

Forecast from Open-Meteo global models (NOAA & ECMWF). Flood stages and forecasts: NOAA National Weather Service. Air quality: New Hampshire Dept. of Environmental Services via EPA AirNow. Preliminary data, not verified. See full conditions →