HONOLULU, Hawaii (HawaiiNewsNow) - The trades will ease today through Saturday morning as a series of fronts approach from the northwest. Ridge of high pressure is weakening, meaning a drop in our trade winds. There could be a slight increase in leeward shower activity today through Saturday as the trade winds ease, allowing for some sea breeze driven shower development. Afternoon cloud build up is likely. The trades are then expected to strengthen Sunday through early next week.
Surf along north and west facing shores will be increasing over the next several days, with increasing potential for High Surf Advisory (HSA) level surf late this weekend into early next week. A mid-period NW swell arriving Thursday will back to the N on Friday while peaking below advisory levels, then diminish Saturday. A powerful low (with hurricane- force winds) will develop in the NW Pacific the next couple of days, generating a long-period NW swell that will arrive early Sunday and persist through Tuesday. That will probably mean a HSA will be issued during those times; and fun for the surfers that are experienced; non-experienced people should find a nice place on dry sand to watch.