Conditions forecast for 9/29 will be posted here....
Provincetown Weather Forecast and Conditions - weather.com
This trip will GO ahead unless heavy nonstop rains are predicted.
The boat portion of the trip will depend upon the DolphinFleet sailing, which will depend upon the marine forecast, which will be available at this website....
National Weather Service Marine Forecast
NWS National Weather Service Marine Forecasts
where you can scroll down and click on... "South of New England."
weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/offshore/an/anz083.txt
Provincetown, MA Marine Forecast
Sea surface temperatures can also be found at this site...
Sea Surface Temperature - IMCS Coastal Ocean Observation Lab
Sometimes it takes a lot of searching to find an image that is readable due to cloud cover, but if you get one, the temperature breaks are really evident.