In [5]:

    

%matplotlib inline
import netCDF4
import matplotlib.pyplot as plt


    

In [6]:

    

url='http://geoport.whoi.edu/thredds/dodsC/usgs/data2/rsignell/gdrive/nsf-alpha/Data/MIT_MSEAS/MSEAS_Tides_20160317/mseas_tides_2015071612_2015081612_01h.nc'


    

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nc = netCDF4.Dataset(url)


    

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ncv = nc.variables


    

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# extract lon,lat variables from vgrid2 variable
lon = ncv['vgrid2'][:,:,0]
lat = ncv['vgrid2'][:,:,1]


    

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# extract u,v variables from vbaro variable
itime = -1
u = ncv['vbaro'][itime,:,:,0]
v = ncv['vbaro'][itime,:,:,1]


    

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n=10
fig = plt.figure(figsize=(12,8))
plt.quiver(lon[::n,::n],lat[::n,::n],u[::n,::n],v[::n,::n])
#plt.axis([-70.6,-70.4,41.2,41.4])


    

    
Out[30]:





<matplotlib.quiver.Quiver at 0x7f599a1a6710>






    

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