Heat Impacting Numerous Spots

Heat Advisories and even a few Heat Warnings continue to impact numerous spots around the country. In the West, dangerous heat and some fire weather concerns stretch from northern CA/NV into the Northwest, including Portland. Meanwhile, Advisories stretch across the South from Oklahoma to Alabama. Finally, Advisories with increasing humidity cover part of NY state into NJ, including New York City.
Read More...

For More Weather Information:

Gray/Portland, ME Local Forecast Office

20NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Slight Chc Showers

    S 10kt
    3ft

    Low: 68 °F

  • Tuesday

    Severe Thunderstorms

    Winds IncreasingS 20kt
    4ft

    High: 73 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday
    Night

    Heavy Rain

    SSW 10ktWinds Decreasing
    4ft

    Low: 63 °F

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday

    Chance Showers

    NNW 10kt
    3ft

    High: 72 °F

  • Wednesday
    Night

    Mostly Clear

    NNW 10kt
    3ft

    Low: 62 °F

  • Thursday

    Sunny

    N 10kt
    3ft

    High: 70 °F

  • Thursday
    Night

    Clear

    Light Wind
    3ft

    Low: 63 °F

  • Friday

    Sunny

    S 10kt
    2ft

    High: 71 °F

  • Friday
    Night

    Mostly Clear

    SSW 10kt
    3ft

    Low: 63 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:40 pm EDT Jul 16, 2018
Forecast Valid: 6pm EDT Jul 16, 2018-6pm EDT Jul 23, 2018

View Nearby Observations

Detailed Forecast


Synopsis: ANZ100-171145- 544 PM EDT Mon Jul 16 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Moist onshore flow continues tonight...with low clouds and dense fog likely across all coastal waters. A cold front will approach from the west Tuesday...crossing the waters Tuesday night. Showers and thunderstorms are likely with the front...some of which may contain gusty winds and torrential rainfall. High pressure builds in from the west on Wednesday and remains over the waters through the end of the week. $$

Tonight
SE wind 5 to 10 kt becoming S in the evening. A chance of drizzle before 1am, then a slight chance of showers between 1am and 5am, then a slight chance of showers and thunderstorms after 5am. Areas of dense fog. Seas around 3 ft.
Tuesday
S wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Showers and thunderstorms likely, mainly after 5pm. Some storms could be severe, with damaging winds and heavy rain. Areas of dense fog before 10am. Seas around 4 ft.
Tuesday Night
SSW wind 7 to 10 kt becoming WSW 5 to 8 kt after midnight. Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers after 1am. Some of the storms could produce heavy rain. Areas of dense fog after 9pm. Seas around 4 ft.
Wednesday
NNW wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers before 7am. Seas around 3 ft.
Wednesday Night
NNW wind around 10 kt. Mostly clear. Seas around 3 ft.
Thursday
N wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas around 3 ft.
Thursday Night
Variable winds 5 kt or less. Clear. Seas around 3 ft.
Friday
W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.
Friday Night
SSW wind 5 to 10 kt. Mostly clear. Seas around 3 ft.

*Notices:

  1. 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.
  2. 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.
  Select Another Point

ABOUT THIS FORECAST

Point Forecast: 43.17°N 70.36°W
Last Update: 5:40 pm EDT Jul 16, 2018
Forecast Valid: 6pm EDT Jul 16, 2018-6pm EDT Jul 23, 2018
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data