An Enduring Heat Wave Begins for Texas and Southern Plains

Starting today, a blazing Heat Wave will consume much of the Southern Plains and Lower MS Valley through early next week, especially for TX. Numerous Excessive Heat Warnings, Watches and Advisories are in effect for the mid-section of TX and OK and these hazards will only become more widespread. Expect record Highs temps and very dangerous Heat Indices, both surging well north of triple digits.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    N 10kt
    3ft

    Low: 59 °F

  • Thursday

    Sunny

    N 10kt
    2-3ft

    High: 72 °F

  • Thursday
    Night

    Clear

    S 10kt
    2ft

    Low: 62 °F

  • Friday

    Sunny

    SSE 10kt
    2ft

    High: 70 °F

  • Friday
    Night

    Clear

    S 10kt
    2-3ft

    Low: 64 °F

  • Saturday

    Mostly Sunny

    ESE 10kt
    2ft

    High: 69 °F

  • Saturday
    Night

    Heavy Rain

    ESE 15kt
    3-4ft

    Low: 65 °F

  • Sunday

    Thunderstorms

    SE 15kt
    Waves Building8ft

    High: 70 °F

  • Sunday
    Night

    Heavy Rain

    S 15kt
    5-6ft

    Low: 67 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:35 pm EDT Jul 18, 2018
Forecast Valid: 11pm EDT Jul 18, 2018-6pm EDT Jul 25, 2018

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Detailed Forecast


Synopsis: ANZ100-191400- 759 PM EDT Wed Jul 18 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure will build into the region from the west tonightthrough Thursday and will hold over the area through Saturday. An area of low pressure with an associated warm front will approach from the south Saturday night and will lift north through the region on Sunday. $$

Overnight
N wind around 10 kt. Clear. Seas around 3 ft.
Thursday
N wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas 2 to 3 ft.
Thursday Night
S wind 5 to 10 kt becoming SW after midnight. Clear. Seas around 2 ft.
Friday
W wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.
Friday Night
S wind 5 to 10 kt. Clear. Seas 2 to 3 ft.
Saturday
ESE wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.
Saturday Night
ESE wind 10 to 15 kt. Showers likely, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rain. Seas 3 to 4 ft.
Sunday
ESE wind around 15 kt becoming SSE in the afternoon. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm. Seas 6 ft building to 8 ft.
Sunday Night
S wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rain. Seas 5 to 6 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: 43.18°N 70.24°W
Last Update: 9:35 pm EDT Jul 18, 2018
Forecast Valid: 11pm EDT Jul 18, 2018-6pm EDT Jul 25, 2018
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