8/7/19 WEDNESDAY 9:00PM FORECAST UPDATE FOR THE CORA SAVANNAH CUP 2019 VIA YOUTUBE:
Next update will be at the Skipper's Meeting tomorrow night at the CYC to provide your final forecast.
(Prior forecasts below...)
8/6/19 TUESDAY 8:30PM PRELIMINARY FORECAST FOR THE CORA SAVANNAH CUP 2019 VIA YOUTUBE:
Next update will be Wednesday Night with a more formal and exacting forecast - will be at the Skipper's Meeting this Thursday night to provide your final forecast.
(Prior outlook below)
SAVANNAH CUP OUTLOOK #1
SUNDAY AUGUST 4TH PRELIMINARY FORECAST OUTLOOK FOR FRIDAY 6PM THROUGH SATURDAY 6PM. (This forecast is 5 days out, so just a reminder that things can change as we draw closer in time.)
The forecaast for all of this this week looks fairly regimen as Bermuda High pressure prompts daily moderate SSW Sea Breezes followed by overnight fading to light Westerly land breezes. Strength of the Sea Breezes grows each day, peaking Thursday and into Friday as a cold front drops down from the northwest and approaches the SE coast. We do not expect the front to push through until Sunday; however, pre-frontal storms could start showing up on Saturday.
Friday's start at 1800z: We should expect SSW/SW winds 12-16kts to start, perhaps lasting through dusk and slowly fading SW-->WSW 8-12kts through10PM-12AM...and ultimately West 5-9kts into the early morning through mid-late Saturday morning. Winds tend to take on a more WNW or NW land breeze the further south you go, so be aware of the angle that could bring (281.25° - 326.25° versus the cardinal Westerlies 258.75° - 281.25°). Conversely, winds tend to back more S and SSE during diurnal Sea Breezing along the curve of the northern GA coast.
One big ticket item to watch is how far out the Sea Breeze front retreats every night while the land cools and the Westerly land breezes occur. It typically stays just offshore by only a few miles and nudges back into shore as land heats up sometime after sunrise. I will be particularly watching the Charleston Edisto, Capers Nearshore and Fripp buouys this week early morning hours (between 12AM-7AM) to see if we can capture about how far out it resides and how strong it stays (usually drops to light or mdoest values along a SW flow). This may be of some value as to how far out to seek wind or head straight down the rhumb line along the lighter overight Westerly flow closer to land.
Wave heights: 2-3ft from the S or SSE. The swell may "bend" more SE with less height near 1-2ft. closer to the coast.
Climate: Dry line at the coast for the start with possible storms inland along the Sea Breeze front (fizzling by night). We will have to see what the upper air steering current is for any inland storms that possibly make a run to the east (low chance for now)...or any residual storms past the evening hours. High air temps low 90's for high's on Fri/Sat....with lows overnight very comfortable in the mid 70's.
Next update will be Tuesday night.