We have SSB on board and will have latest forecasts from internet sources before departure but my question now is what is going to be the best source of information "on the hoof".
Without knowing if there will be a Ham on board :-
Here are some frequencies that give out WX at various times of the day - some may not be of use because of skip.
Frequencies (US
Watch Times AST & EDT Watch Times UTC
4045 kHz 06:30 - 07:00 AST & EDT 1030 - 1100 UTC
8137 kHz 07:00 - 08:00 AST & EDT 1100 - 1200 UTC
4045 kHz 08:00 - 08:30 AST & EDT 1200 - 1230 UTC
8104 kHz 08:30 - 09:00 AST & EDT 1230 - 1300 UTC
12350 kHz 09:00 - 09:20 AST & EDT 1300 - 1320 UTC
16525 kHz 09:20 - 09:30 AST & EDT 1320 - 1330 UTC
6221 kHz 09:30 - 09:45 AST & EDT 1330 - 1345 UTC
Also :-
0700 Caribbean Weather 8137 USB SSB
0730 Caribbean Weather 7241 LSB
Ham
0800 Coconut Telegraph 4060 USB SSB
0815 Safety and Security 8104 USB SSB
0830 Cruiseheimers 8152 USB SSB
0830 Caribbean Weather 8104 USB SSB
1600 Herb Weather 12359 USB SSB
1630 George Weather 7086 LSB
Ham
Richard