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Portsmouth Seacoast
 Details for Portsmouth Seacoast Coastal Flood Statement
 Rockingham
 Details for Rockingham Coastal Flood Statement

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Coastal Flood Statement COASTAL FLOOD STATEMENT - Portsmouth Seacoast  - Rockingham

High astronomical tides bring water levels to near minor flood stage for Portland and points south tonight into early Sunday morning. The next chances for rain will be tonight through Sunday. Expect much cooler temperatures Sunday and into the next work week.
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Updated: @ 04/18/2026 18:15 - next update at 18:20  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 57.7, Max: 64.9, Min: 45.7 57.7°F
Colder 4.1°F than last hour.

Cool

Feels like: 58°F

24-hr difference
-9.4°FColder 9.4°F than yesterday at this time.
  Today Yesterday
High: 64.9°F
16:00 		70.9°F
16:48
Low: 45.7°F
06:55 		50.2°F
00:00
Wind from ESE ESE
2
Gust:
 4 mph
1 Bft - Light air
Today: 10 mph 12:23
Gust Month: 22 mph April 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.3 in
Storm Rain: 0 in
This Month: 1.89 in
Season Total: 4.96 in
10 rain days in April.
Sunday

Sunday: Areas Of Fog then Light Rain
Areas Of Fog then Light Rain
Humidity & Barometer Almanac Moon
Humidity: 63 % Increased 9.0% since last hour.
Dew Point: 45°F Increased 0.3°F since last hour.
Barometer: 29.911 inHg  
Baro Trend: Steady
Sunrise: 05:59
Sunset: 19:33
Moonrise: 06:13
Moonset: 21:38
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
3%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 10.0 @ 11:40
36 W/m2 (28 %)
High: 1107 @  11:40
 NWS Weather Forecast  - Outlook: Tonight & Sunday
Tonight

Tonight: Cloudy then Areas Of Fog
Cloudy then Areas Of Fog

Lo 40 °F		 NWS forecast: Areas of fog between midnight and 4am, then areas of fog and a chance of rain. Cloudy, with a low around 40. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
 
Sunday

Sunday: Areas Of Fog then Light Rain
Areas Of Fog then Light Rain

Hi 47 °F		 NWS forecast: Areas of fog and a chance of rain before 8am, then rain and areas of fog. Cloudy. High near 47, with temperatures falling to around 41 in the afternoon. West wind 0 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.