Hampton, NH Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Hampton, NH

April 14, 2024 11:08 PM EDT (03:08 UTC) Change Location
Sunrise 5:59 AM   Sunset 7:26 PM
Moonrise 10:00 AM   Moonset 1:42 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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Marine Forecasts
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ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 1001 Pm Edt Sun Apr 14 2024

.small craft advisory in effect through Monday afternoon - .

Rest of tonight - S winds 10 to 15 kt with gusts up to 20 kt, becoming sw with gusts up to 20 kt, then becoming W 5 to 10 kt late. Seas 4 to 5 ft. A chance of showers late this evening, then a slight chance of showers.

Mon - W winds 5 to 10 kt. Seas 3 to 5 ft.

Mon night - W winds 5 to 10 kt. Seas 3 to 4 ft.

Tue - W winds 5 to 10 kt. Seas 3 to 4 ft.

Tue night - NW winds 5 to 10 kt. Seas 2 to 3 ft.

Wed - N winds 5 to 10 kt, becoming se in the afternoon. Seas 2 to 3 ft.

Wed night - S winds 5 to 10 kt with gusts up to 20 kt, becoming nw after midnight. Seas 2 to 3 ft.

Thu - NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft.

Thu night - S winds 5 to 10 kt. Seas 2 to 3 ft.

Fri - S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the afternoon.

Fri night - S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers.

ANZ100 1001 Pm Edt Sun Apr 14 2024

Synopsis for stonington me to merrimack river ma out to 25 nm a weak area of low pressure crosses the waters into this evening before high pressure then gradually builds across the waters through the middle of this week low pressure approaches from the west late in the week, but likely stalls near the great lakes.


7 Day Forecast for Marine Location Near Hampton, NH
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Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 150200 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1000 PM EDT Sun Apr 14 2024

SYNOPSIS
Showers will gradually work in from west to east across the region this afternoon although they may not get into ME until this evening. This fast moving system will clear the area by Monday morning. High pressure gradually builds in early next week with partly to mostly sunny skies outside of the mountains along with a warming trend. Temperatures will be slightly cooler later in the week with a weak system potentially bringing a few some showers to the area late Thursday into Thursday night. A cold front approaches late in the week bringing another chance for rain showers late Friday into Saturday.

NEAR TERM /UNTIL 6 AM MONDAY MORNING/
10 PM Update...Showers have largely moved out of the area and have made some minor changes to PoPs to reflect the latest observed trends. Otherwise, have performed a refresh of temperatures with no significnt changes.

640 PM Update...No significant changes to the going forecast as light showers have overspread the area from west to east. Latest hi res guidance suggest these showers will weaken and move out of the area around midnight and have mainly done some refining of PoPs with this update.

Previously...

Fast moving weak low pressure tracking ESE out of the lower Great Lakes this afternoon, and bringing, what has so far amounted to sprinkles to the CT valley and SW NH. Showers which will measure some rain will move in later this afternoon as the system overcomes some dry air a head of it and gets some extra UVV from 850 mb jetlet as well as a brief spell of good upper level jet dynamics. Still, should only amount to around of showers that will likely last through the evening before weakening and shifting east of the CWA Should see some clearing especially outside the mtns, which may allow temps to drop a few degrees closer to the TD, and thus patch fog is possible late and into early Monday. Lows range from the upper 30s in the mtns to mid 40s in the S.

SHORT TERM /6 AM MONDAY MORNING THROUGH TUESDAY/
Monday, for the most part, will be dry and should vary from mostly to partly sunny. 500 mb trough axis crosses Monday afternoon, and although fairly flat still could be enough to set off some SCT showers, especially in NH and the mtns. They will mostly be few and far between, but will show some signs o f convection, given some weak instability from colder air aloft.
So, a brief heavy downpour may be possible, as will a small threat for some graupel. But for the most part should be a decent day with highs around 50 in the mtns to the upper 50s and low 60s in the S. Mon night looks clear with light winds, so some decoupling can be expected, but there enough boundary layer flow for a pure rad cooling night. Also clouds may linger a bit in the mtns. Therefore lows range from the mid 30s to around 40.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/
Quiet weather is in store for Tuesday and Wednesday with broad high pressure and a dry airmass over New England. The mountains may see a few showers with upslope flow still in place on Tuesday, and a weak reinforcing front could also result in a couple of showers across eastern areas Tuesday night and early Wednesday, but the vast majority of the area won't see any precip. And what does fall will be light. Temperatures are expected to range from the upper 50s to mid 60s south of the mountains on Tuesday, but not quite as warm for Wednesday, especially at the coast with weaker flow allowing the seabreeze to move inland.

For Wednesday night into early Friday, global models are in general agreement showing an upper ridge building overhead, which would prolong the stretch of mostly dry weather. However, the GFS is still showing a dampening shortwave approaching New England, temporarily weakening the ridge late Thursday into Thursday night, which could bring some showers to the area. This would be primarily in NH with amounts expected to be light, while the ECMWF keeps the forcing and shower activity to the north and west. Due to this uncertainty, have kept a chance (30-40%) of showers in NH during this stretch with amounts diminishing over into western ME.

The ridge then breaks down and shifts east Friday into Saturday as low pressure center moves across eastward across James Bay and into the Canadian Maritimes, sending a cold front toward New England. This will bring the higher chance of rain Friday night into Saturday, but as of the latest runs amounts look to be light with ensemble means from the GFS/ECWMF advertising around 0.25" of rain, possibly higher across the north where latest runs are showing low (10-20%) probabilities of exceeding 0.50".

The end of the forecast period becomes even less certain with the GFS favoring a clean frontal passage on Saturday with mostly dry conditions heading into Sunday. The ECMWF camp on the other hand is advertising a weak coastal low developing along the frontal boundary, which would keep precip in the forecast through Sunday. There's support within the ensembles for either scenario, so I have stuck with the NBM PoPs for Sunday.

AVIATION /02Z MONDAY THROUGH FRIDAY/
Short Term...All terminals should several hours of MVFR this evening, with IFR possible at KHIE/KLEB/KAUG/KRKD, KCON/KMHT may pops out of MVFR before sunrise, but the other terminals will likely not get to VFR until about 12-13Z. VFR expected on Monday and Monday night, but valley fog is possible at KLEB/KHIE.

Long Term...VFR expected Tuesday through at least Wednesday night. A weak disturbance may then bring some showers through the area later Thursday into Thursday night, possibly followed more showers late Friday. However, these may also hold off until Friday night and into Saturday.

MARINE
Short Term...Seas continue to stay in the 5-7 ft range outside the bays, but they will gradually subside overnight and early Monday. Conds stay below SCA Mon afternoon into Mon night.

Long Term...A weak frontal boundary may bring a brief increase in northerly winds late Tuesday night or early Wednesday morning, but otherwise high pressure is expected to keep conditions below SCA levels this week. The high starts to shift east by Friday as a cold front approaches from the west, and S/SW flow will increase prior to the front, but whether it's enough for SCA levels is uncertain. The cold front looks to cross the waters sometime on Saturday.

HYDROLOGY
Any light rainfall this afternoon and tonight should not have any sort of significant effect on river flows as they continue to recede.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Small Craft Advisory until 2 PM EDT Monday for ANZ150-152-154.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
IOSN3 - Isle of Shoals, NH 6 mi68 min S 11G12 46°F 29.7139°F
CMLN3 7 mi127 min SE 2.9 47°F 43°F
BGXN3 - Great Bay Reserve, NH 8 mi83 min 0 48°F 29.7144°F
SEIM1 8 mi50 min 50°F 44°F29.7544°F
44030 - Buoy B0102 - Western Maine Shelf 22 mi124 min SSW 3.9G5.8 45°F 43°F6 ft29.70
WEXM1 - Wells Reserve, ME 27 mi68 min 0 47°F 46°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 32 mi124 min SSE 9.7G12 46°F 44°F4 ft29.73
44098 - Jeffrey's Ledge, NH (160) 32 mi42 min 42°F5 ft
44013 - BOSTON 16 NM East of Boston, MA 43 mi38 min SE 7.8G9.7 45°F 29.7342°F
BHBM3 - 8443970 - Boston, MA 46 mi50 min 51°F 29.72
44007 - PORTLAND 12 NM Southeast of Portland,ME 49 mi38 min S 3.9G5.8 45°F 43°F29.7241°F


Wind History for Portland, ME
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KPSM PORTSMOUTH INTL AT PEASE,NH 9 sm13 mincalm10 smOvercast50°F43°F76%29.71
KDAW SKYHAVEN,NH 24 sm17 mincalm10 smOvercast50°F45°F82%29.71
Link to 5 minute data for KPSM


Wind History from PSM
(wind in knots)
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Tide / Current for Gosport Harbor, Isles of Shoals, New Hampshire
   
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Gosport Harbor
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Sun -- 01:41 AM EDT     Moonset
Sun -- 03:58 AM EDT     9.19 feet High Tide
Sun -- 06:01 AM EDT     Sunrise
Sun -- 09:59 AM EDT     Moonrise
Sun -- 10:26 AM EDT     0.12 feet Low Tide
Sun -- 04:50 PM EDT     7.84 feet High Tide
Sun -- 07:24 PM EDT     Sunset
Sun -- 10:38 PM EDT     1.41 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Gosport Harbor, Isles of Shoals, New Hampshire, Tide feet
12
am
3.4
1
am
5.5
2
am
7.4
3
am
8.8
4
am
9.2
5
am
8.7
6
am
7.2
7
am
5.1
8
am
2.9
9
am
1.1
10
am
0.2
11
am
0.3
12
pm
1.2
1
pm
2.9
2
pm
4.9
3
pm
6.5
4
pm
7.6
5
pm
7.8
6
pm
7.2
7
pm
5.9
8
pm
4.1
9
pm
2.5
10
pm
1.6
11
pm
1.5



Tide / Current for Portsmouth Harbor Entrance, New Hampshire Current
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Portsmouth Harbor Entrance
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Sun -- 01:41 AM EDT     Moonset
Sun -- 01:55 AM EDT     1.21 knots Max Flood
Sun -- 05:38 AM EDT     -0.00 knots Slack
Sun -- 06:01 AM EDT     Sunrise
Sun -- 08:36 AM EDT     -1.92 knots Max Ebb
Sun -- 09:59 AM EDT     Moonrise
Sun -- 12:39 PM EDT     0.00 knots Slack
Sun -- 02:30 PM EDT     0.94 knots Max Flood
Sun -- 06:22 PM EDT     -0.00 knots Slack
Sun -- 07:24 PM EDT     Sunset
Sun -- 08:59 PM EDT     -1.47 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Portsmouth Harbor Entrance, New Hampshire Current, knots
12
am
0.1
1
am
0.9
2
am
1.2
3
am
1
4
am
0.7
5
am
0.4
6
am
-0.3
7
am
-1.2
8
am
-1.8
9
am
-1.9
10
am
-1.7
11
am
-1.3
12
pm
-0.6
1
pm
0.3
2
pm
0.9
3
pm
0.9
4
pm
0.7
5
pm
0.6
6
pm
0.2
7
pm
-0.5
8
pm
-1.2
9
pm
-1.5
10
pm
-1.3
11
pm
-1.1




Weather Map
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GEOS Local Image of north east   
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Portland, ME,



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