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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 17:10 - next update at 17:15  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 61.8, Max: 64.9, Min: 45.7 61.8°F
Colder 2.7°F than last hour.

Comfortable

Feels like: 62°F

24-hr difference
-7.9°FColder 7.9°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
3
Gust:
 7 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.
Tonight

Tonight: Cloudy then Areas Of Fog
Cloudy then Areas Of Fog
Humidity & Barometer Almanac Moon
Humidity: 54 % Increased 7.0% since last hour.
Dew Point: 44.8°F Increased 1.3°F since last hour.
Barometer: 29.908 inHg Falling 0.03 inHg/hr
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
   1.0     Low 
High: 10.0 @ 11:40
148 W/m2 (42 %)
High: 1107 @  11:40
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy

Hi 61 °F		 NWS forecast: Mostly cloudy, with a high near 61. Southeast wind around 10 mph.
 
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.