Fire Island (FI) and NYC Weather

🌤️ Weather Forecast – October 17, 2025 (Noon)

Today will be sunny and breezy, with a crisp fall feel.

The weekend looks beautiful, featuring abundant sunshine and seasonable temperatures.

Heavy rain will arrive early Monday and end around noon, followed by improving conditions.

Tuesday looks pleasant, with showers possible Wednesday, then another stretch of sunny, fall-like weather to close out the week.

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📊 Winter Outlook

• 🌡️ Above Normal Temperatures

• 💧 Below Normal Rainfall

• ❄️ Below Normal Snowfall locally; above normal snowfall expected in northern New England

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🌪️ Hurricane Watch

Two potential systems are forming in the Atlantic, but neither poses any threat to our region at this time.

🔗 NOAA Tropical Update:

https://www.nhc.noaa.gov/gtwo.php?basin=atlc&fdays=5

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🌊 Water Temperatures

• 🌊 Atlantic Ocean: 66 °F

• 🌅 Great South Bay: 66 °F

🔗 NOAA Tide Predictions – Cherry Grove (Ocean):

https://tidesandcurrents.noaa.gov/noaatidepredictions.html?id=8515228&units=standard&bdate=20251017&edate=20251018&timezone=LST/LDT&clock=12hour&datum=MLLW&interval=hilo&action=dailychart

🔗 Great South Bay – Sayville Brown Creek Tides:

https://www.tide-forecast.com/locations/Sayville-Brown-Creek-Long-Island-New-York/tides/latest

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📅 Detailed Forecast

Friday • October 17

• Mainly sunny

• 🌡️ Highs: Low 60s

• 🌬️ NW 10–25 mph

• 💧 Dew Points: Upper 30s

• 🔒 Confidence: High

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Tonight 🌙

• Mainly clear

• 🌡️ Lows: Upper 40s

• 🌬️ NW 5–15 mph

• 💧 Dew Points: Low 30s

• 🔒 Confidence: High

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Saturday • October 18 ☀️

• Partly sunny

• 🌡️ Highs: Mid 60s

• 🌬️ SW 5–15 mph

• 💧 Dew Points: Low 40s

• 🔒 Confidence: High

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Sunday • October 19

• Sun and clouds, turning milder

• 🌡️ Highs: Upper 60s to low 70s

• 🌬️ SW 10–25 mph (NYC 15–30 mph)

• 💧 Dew Points: Mid 50s

• 🔒 Confidence: High

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Monday • October 20 ⚠️

• Showers and thunderstorms possible — rain may be heavy early

• 🌡️ Highs: Upper 60s

• 🌬️ Winds shifting 10–30 mph (NYC 15–40 mph, FI stronger gusts)

• 💧 Dew Points: Low 60s

• 🔒 Confidence: High

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Tuesday • October 21

• Mainly sunny

• 🌬️ W 10–25 mph

• 🌡️ Highs: Low 60s

• 💧 Dew Points: Mid 40s

• 🔒 Confidence: Medium

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Wednesday • October 22

• Sun and clouds with a chance of early showers

• 🌬️ W 10–25 mph

• 🌡️ Highs: Low–mid 60s

• 💧 Dew Points: Upper 40s

• 🔒 Confidence: Low

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Thursday • October 23

• Mainly sunny

• 🌡️ Highs: Low 60s

• 🌬️ NW 15–30 mph

• 💧 Dew Points: Mid 40s

• 🔒 Confidence: Low

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Friday • October 24

• Sun and clouds

• 🌡️ Highs: Upper 50s

• 🌬️ W 10–25 mph

• 💧 Dew Points: Mid 40s

• 🔒 Confidence: Low