The NOAA SOAP services have moved to https, so getwaterlevelraw() fails with a 302 error.

[drf5n]

noaadata/noaadata/waterlevelraw.py

Line 54 in a7183db

url = 'http://opendap.co-ops.nos.noaa.gov/axis/services/WaterLevelRawSixMin'

If you change this url to https://... the function will work.