Seven Day Forecast for The Bahamas-December 20-26, 2018

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December 20, 2018

General Situation: A developing low pressure system in the southern United States will drag a strong cold front along with pre-frontal activity across the NW and Central Bahamas late today through Friday as it moves north-eastwards. The deepening low pressure system over the eastern United States will produce gale force wind conditions across the NW Bahamas late Thursday into Friday as a cold front moves south-eastward through the area. A second drier cold front will move through the Bahamas on Saturday keeping the weekend seasonable cool. High pressure ridge will gradually build across the Bahamas from the eastern United States while moisture associated with the remnants of a front in the SE Bahamas will shift northward across the Central and NW Bahamas from Monday through Wednesday.

Thursday 20th – Partly cloudy, breezy and warm with some scattered showers and isolated thunderstorms mainly across the NW Bahamas later today through nightfall. Partly sunny, breezy and warm elsewhere, turning cloudy to fair with few scattered showers or an isolated thunderstorm at night. Maximum temperature 84°F and minimum temperature 70°F. Small craft should remain in port across the NW Bahamas as possible gale force winds will produce hazardous conditions and boaters should not venture far from port elsewhere. Winds SE to S at 15 to 20 knots early in the NW Bahamas, increasing 20 to 30 knots and gusty at times later and southeast to south at 15 to 20 knots but gusty at times in the Central and SE Bahamas. Seas 8 to 12 feet over the NW Bahamas but higher in gusts and 4 to 6 feet in the Central and SE Bahamas but higher in gusts.

Friday 21st – Partly to mostly cloudy and windy with scattered showers and thunderstorms, some strong to severe at times mainly across the NW Bahamas, generally clearing behind the front at night. Partly cloudy, warm and breezy at times across the Central and SE Bahamas, turning cloudy to overcast with increasing scattered showers and isolated thunderstorms by night time. Maximum temperature 78°F and minimum temperature 66°F. Small craft should remain in port in the NW and Central Bahamas and a small craft advisory is in effect for the SE Bahamas. Winds SW to W at 25 to 35 knots with stronger gusts at times across the NW Bahamas and SSE to SSW at 15 to 25 knots across the Central and parts of the SE Bahamas but gusty at times. Seas 12 to 16 feet over the NW Bahamas but higher in gusts and 5 to 8 feet across the Central and SE Bahamas but higher in gusts.

Saturday 22nd – Partly cloudy to fair skies, windy and mild with a few scattered showers and thunderstorms mainly over the NW and SE Bahamas. Maximum temperature 74°F and minimum temperature 64°F. Small craft advisory across the NW and Central Bahamas and a caution for the SE Bahamas. Winds W to NW at 20 to 30 knots early in the NW Bahamas, falling to 10 to 15 knots from the N to NE late; W to NW at 15 to 20 knots early in the Central Bahamas, falling to 10 to 15 knots by nightfall and SE to S at 10 to 15 knots veering NW to N at 15 to 20 knots later. Seas 8 to 12 feet over the ocean in the NW Bahamas, falling to 3 to 5 feet late; 4 to 6 feet in the Central Bahamas, falling to 3 to 5 feet later and 2 to 4 feet in the SE Bahamas building to 4 to 7 feet later.

Sunday 23rd – Partly sunny and warm with a few scattered showers likely in the SE Bahamas near a frontal boundary. Mainly fair and cool at night except for lingering clouds and few showers in the SE Bahamas. Maximum temperature 76°F and minimum temperature 62°F. Small craft should exercise caution in the SE Bahamas. Winds N to NE at 10 knots or less in the NW Bahamas; and NE’ly at 10 to 15 knots in the Central Bahamas and NE’ly at 15 to 20 knots in the SE Bahamas. Seas 1 to 3 feet over the ocean in the NW Bahamas; 2 to 4 feet in the Central Bahamas and 4 to 6 feet in the SE Bahamas.

Monday 24th – Partly sunny and warm with few isolated showers in the Central Bahamas, turning mainly fair and cool at night except for lingering clouds and the chance of showers near the Central Bahamas. Maximum temperature 79°F and minimum temperature 65°F. Small craft should exercise caution in the Central and SE Bahamas at times. Winds NE to E at 10 to 15 knots in the NW Bahamas and NE to E at 15 to 20 knots in the Central and SE Bahamas. Seas 2 to 4 feet in the NW Bahamas and 4 to 6 feet in the Central and SE Bahamas.

Tuesday 25th – Variable cloudiness, warm and breezy at times with few scattered showers or a possible thunderstorm mainly in the Central Bahamas during the daytime through nightfall. Maximum temperature 79°F and minimum temperature 68°F. Small craft should exercise caution across the Central and SE Bahamas early but shifting across the NW Bahamas by afternoon. Winds NE to E at 10 to 15 knots in the NW Bahamas, increasing to 15 to 20 knots later and NE to E at 15 to 20 knots early, decreasing to 10 to 15 knots with gusts later. Seas 2 to 4 feet over the NW Bahamas building to 4 to 6 feet later and 4 to 6 feet in the Central and SE Bahamas, falling to 2 to 4 feet later.

Wednesday 26th – Partly cloudy to cloudy, breezy and warm with few scattered showers during the daytime through nightfall. Maximum temperature 80°F and minimum temperature 70°F. Small craft should exercise caution across the entire Bahamas. Winds E’ly at 15 to 20 knots across the entire Bahamas and 4 to 6 feet over the ocean for all areas.

Beachgoers and mariners should exercise caution due to rough surf and the high risk of rip currents along the northern and eastern shorelines during stated advisories. Boaters and residents should be alert for possible waterspout or tornadic activity and take all necessary precautions to protect life and property. Residents should be alert for the risk of localized flooding during heavy downpours and prolonged rainfall events.

Geoffrey Greene For (Director)

News date : 12/20/2018    Category : Hurricane, Press Releases, Weather

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