Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from June 18, 06:00 AM EDT until June 19, 12:00 AM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

40NM S New York NY

Marine Point Forecast

[NOTICE]

Tonight
Low: 67 °F
S 15kt
3ft
Thursday
High: 84 °F
S 25kt
4-5ft

Small Craft Advisory
Thursday Night
Low: 69 °F
SW 15kt⇓
3-4ft

Small Craft Advisory
Juneteenth
High: 81 °F
W 10kt
3ft
Friday Night
Low: 66 °F
WNW 10kt
2-3ft
Saturday
High: 79 °F
W 10kt
2ft
Saturday Night
Low: 67 °F
WNW 10kt
2ft
Sunday
High: 80 °F
SSW 10kt
2ft
Sunday Night
Low: 68 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 pm EDT Jun 17, 2026
Forecast Valid: 10pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

S wind around 15 kt. Mostly cloudy. Seas around 3 ft.

Thursday

S wind 20 to 25 kt, with gusts as high as 30 kt. A chance of showers and thunderstorms, mainly between 2pm and 5pm. Seas 4 to 5 ft.

Thursday Night

SW wind 12 to 15 kt becoming W 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 3 to 4 ft.

Juneteenth

W wind around 10 kt. Mostly cloudy, then gradually becoming sunny. Seas around 3 ft.

Friday Night

WNW wind around 10 kt. Mostly clear. Seas 2 to 3 ft.

Saturday

W wind around 10 kt. Sunny. Seas around 2 ft.

Saturday Night

WNW wind 5 to 10 kt. Mostly clear. Seas around 2 ft.

Sunday

WNW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.