 Tomorrow, mostly cloudy, hot and humid again with a thunderstorm in a couple of spots. A high of 90. We have a true heat wave. A low tomorrow night, 73. And Thursday, tropical rainstorm Barrow will make its way into New England. It'll be very warm. Watch for some flash flooding. A high of about 88 on Thursday. A high on Friday, about 90 degrees. If you're headed to the beaches today, beach water temperature very uncomfortable, 63. Lake water temperature up to about 70. Low tide rolling out at 830. High tide coming in at 3 this afternoon along Portsmouth, Hampton and York Harbors.