JMA, weather map.
JMA, local wind situation. (from here it's easy to go to an other area).
JMA, local weather warning ( same).
JMA, local rain radar (same).
WindFinder.com, local forecast, for up to 5 days. (also easy to move to an other area).
Yes, you'll need internet on board. In this part of
Once we got our internet going…we had coverage almost anywhere between Ishigaki and
BUT at this writing there is a catch:
It's not easy to get that mobile phone/internet account. Officially, only those with a "fixed" home address can get a contract. So for short term visiting cruising yachts… You'll have to make deal with a helpful
The best mobile internet set-up is from DoCoMo.
Mind you, here in
This internet connection is called B-Mobile.
Pre-paid mobile phones are, same story, also only available in Big Cities. See SoftBank for this.
Hope this might be of help.