Heat Continues For Parts Of Western & Southern U.S. While Monsoon Slowly Begins To Decrease

Another day of dangerous heat is in store for parts of the western and southern U.S. on Tuesday before a cooling trend begins Wednesday. Excessive Heat Warnings are in effect for northern CA and southwestern OR, while Heat Advisories cover parts of the southern Plains/Lower MS Valley. Meanwhile, monsoon will slowly taper off Tuesday in the Southwest, but isolated heavy rain remains possible.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Today

    Severe Thunderstorms

    S 10kt
    3-4ft

    High: 69 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Severe Thunderstorms

    S 10ktWinds Decreasing
    4ft

    Low: 65 °F

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday

    Mostly Sunny

    NNW 10ktWinds Decreasing
    3ft

    High: 74 °F

  • Wednesday
    Night

    Mostly Clear

    NNW 10kt
    3ft

    Low: 61 °F

  • Thursday

    Sunny

    N 10kt
    3ft

    High: 69 °F

  • Thursday
    Night

    Clear

    Light Wind
    2ft

    Low: 62 °F

  • Friday

    Sunny

    S 10kt
    2ft

    High: 71 °F

  • Friday
    Night

    Mostly Clear

    S 10kt
    2ft

    Low: 63 °F

  • Saturday

    Sunny

    SSE 10kt
    2ft

    High: 70 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:19 am EDT Jul 17, 2018
Forecast Valid: 9am EDT Jul 17, 2018-6pm EDT Jul 23, 2018

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Detailed Forecast


Synopsis: ANZ100-180115- 710 AM EDT Tue Jul 17 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Southerly winds will strengthen ahead of a strong cold front which will move through the waters tonight. High pressure will begin to build into the region from the west on Wednesday...remaining over the northeast on Thursday and Friday. This high will push east into the Canadian maritimes this weekend with low pressure approaching the region from the west. $$

Today
S wind around 10 kt. Showers and thunderstorms, mainly after 3pm. Some storms could be severe, with damaging winds and heavy rain. Areas of dense fog. Seas 3 to 4 ft.
Tonight
S wind 7 to 10 kt becoming SW 5 to 8 kt after midnight. Showers and thunderstorms before midnight, then a chance of showers between midnight and 4am. Some of the storms could be severe. Areas of dense fog. Seas around 4 ft.
Wednesday
NNW wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. 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 2 ft.
Friday
WNW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.
Friday Night
S wind 5 to 10 kt. Mostly clear. Seas around 2 ft.
Saturday
SSE wind 5 to 10 kt. Sunny. Seas around 2 ft.

Winds and seas higher in and near tstms.

*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.
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ABOUT THIS FORECAST

Point Forecast: 43.36°N 70.28°W
Last Update: 7:19 am EDT Jul 17, 2018
Forecast Valid: 9am EDT Jul 17, 2018-6pm EDT Jul 23, 2018
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