#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import urllib.request

nb = 0
nb_msg = 0
nb_lignes = 0
msg_t3 = None
val_msg_t2 = val_lat_t = val_long_t = val_based_t = 0
while nb < 2 :
for i in file :
i = i.decode('utf-8')
lien = lien[1].split('</guid>')
lien = lien[0]
titre = 'Message ' + lien
lien = 'http://ptwc.weather.gov/?region=1&id=' + lien
print(lien)

#"TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS FOR ALL OTHER COASTS COVERED BY THIS MESSAGE."
#"TSUNAMI WAVES ARE FORECAST TO BE MUCH LESS THAN 0.3 METERS ABOVE THE TIDE LEVEL ELSEWHERE."
#"TSUNAMI WAVES REACHING 1 TO 3 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE ALONG SOME COASTS OF"


http://ptwc.weather.gov/?region=1&id=pacific.TSUPAC.2017.01.03.2259