ATIS Alerts

Cobbetts Pond Seaplane Base (35NH) Area Aviation Weather & Runway Winds

Aviation weather near Cobbetts Pond Seaplane Base in Windham, NH, decoded from the nearest reporting station (KLWM) — conditions, runway crosswinds, and free Telegram airport alerts.

Cobbetts Pond Seaplane Base (35NH) is a seaplane base in Windham, NH. 35NH has no weather station of its own — conditions here are decoded from KLWM, about 9 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (06W, 24W) — longest 1,500 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KMHT. Track it in the ATIS Alerts Telegram bot to get alerts read from KLWM, the station this page is based on.

VFR
Observed 0603Z (2:03 AM EDT)live · refreshes every 60s

No weather station at this airport — showing the nearest station KLWM, 8.6 nm away.

Wind
VRB 3 kt
Visibility
10+ sm
Ceiling
7,000 ft
Altimeter
29.72"
Temp / Dew
20°C / 68°F
dew 18°C

Wind variable at 3 kt, visibility 10+ statute miles, scattered clouds at 2,900 ft, overcast at 7,000 ft, temperature 20°C (68°F), altimeter 29.72 inHg. Conditions are Visual Flight Rules (VFR), ceiling 7,000 ft.

Raw METAR
SPECI KLWM 290603Z AUTO VRB03KT 10SM SCT029 OVC070 20/18 A2972 RMK AO2 T02000183

What changed at KLWM (nearest station)?

Since the 0554Z (1:54 AM EDT) report — compared automatically against the latest METAR.

  • Flight category improved from MVFR to VFR.
  • Ceiling lifted from 2,900 ft to 7,000 ft.

The latest report is an off-schedule special (SPECI) — issued because conditions changed significantly. What is a SPECI? →

This is exactly what ATIS Alerts watches for you — get a Telegram message when 35NH's weather changes, free →

Current pilot readout for 35NH

Based on the nearest station (KLWM), 35NH is currently VFR with variable winds at 3 knots, visibility 10+ statute miles, and a 7,000 ft ceiling. Density altitude is approximately 1,050 ft (field elevation 177 ft). 35NH does not publish a TAF — the nearest TAF station is KMHT, about 10 nm away.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

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Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Use this section to quickly compare current wind alignment across available runways at 35NH. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

Current wind is variable at 3 kt light and variable wind like this is generally not a factor for runway selection, and with no steady direction there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.

RunwayHead / TailCrosswind
06W
24W

Open the crosswind calculator — try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
061206Z17Z06Z

Over the last 23 h: wind 03 kt, ceiling unlimited7,000 ft.

35NH weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Cobbetts Pond Seaplane Base in Windham, NH: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 35NH is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.

Pilot reports (PIREPs) within 100 NM of 35NH

Reported by pilots in flight over the past 6 hours — via aviationweather.gov.

PIREP0556Z (1:56 AM EDT) · 81 NM SW of 35NH · during descent · B763
Show raw report
BDL UA /OV BDL/TM 0556/FL025/TP B763/SK SCT025/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.
OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0556Reported at 05:56 UTC.
FL025Altitude: 2,500 ft MSL.
TP B763Aircraft type reporting.
SK SCT025Sky condition — cloud bases and tops in hundreds of feet MSL.
RM DURD RY 24Remarks.
PIREP0407Z (12:07 AM EDT) · 81 NM SW of 35NH · during descent · B763
Show raw report
BDL UA /OV BDL/TM 0407/FL031/TP B763/SK BKN031/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.
OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0407Reported at 04:07 UTC.
FL031Altitude: 3,100 ft MSL.
TP B763Aircraft type reporting.
SK BKN031Sky condition — cloud bases and tops in hundreds of feet MSL.
RM DURD RY 24Remarks.
PIREP0313Z (11:13 PM EDT) · 81 NM SW of 35NH · during descent · A320
Show raw report
BDL UA /OV BDL/TM 0313/FL025/TP A320/SK BKN025/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.
OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0313Reported at 03:13 UTC.
FL025Altitude: 2,500 ft MSL.
TP A320Aircraft type reporting.
SK BKN025Sky condition — cloud bases and tops in hundreds of feet MSL.
RM DURD RY 24Remarks.
PIREP0305Z (11:05 PM EDT) · 81 NM SW of 35NH · during descent · C25B
Show raw report
BDL UA /OV BDL/TM 0305/FL020/TP C25B/SK BKN020/RM DURD RY 15
BDL UAHeader — reporting station and UA: a routine pilot report.
OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0305Reported at 03:05 UTC.
FL020Altitude: 2,000 ft MSL.
TP C25BAircraft type reporting.
SK BKN020Sky condition — cloud bases and tops in hundreds of feet MSL.
RM DURD RY 15Remarks.
PIREP0054Z (8:54 PM EDT) · 92 NM W of 35NH · 36,000 ft MSL · NMRS
cont light turbulence
Show raw report
ALB UA /OV CAM/TM 0054/FL360/TP NMRS/TB CONT LGT
ALB UAHeader — reporting station and UA: a routine pilot report.
OV CAMLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0054Reported at 00:54 UTC.
FL360Altitude: 36,000 ft MSL.
TP NMRSAircraft type reporting.
TB CONT LGTTurbulence: cont light.
PIREP0050Z (8:50 PM EDT) · 94 NM NW of 35NH · 33,000 ft MSL · E75L
Show raw report
RUT UA /OV RUT350010/TM 0050/FL330/TP E75L/SK TOP350
RUT UAHeader — reporting station and UA: a routine pilot report.
OV RUT350010Location — fix or navaid, optionally with a radial and distance in NM.
TM 0050Reported at 00:50 UTC.
FL330Altitude: 33,000 ft MSL.
TP E75LAircraft type reporting.
SK TOP350Sky condition — cloud bases and tops in hundreds of feet MSL.
PIREP0050Z (8:50 PM EDT) · 66 NM NE of 35NH · during descent · B38M
Show raw report
PWM UA /OV PWM/TM 0050/FLDURD/TP B38M/SK OVC 002/RM BASES 150-200, SAW APCH LGTS JUST BEFORE MINS, SAW RUNWAY AT 100 ILS 11
PWM UAHeader — reporting station and UA: a routine pilot report.
OV PWMLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0050Reported at 00:50 UTC.
FLDURDReported during descent.
TP B38MAircraft type reporting.
SK OVC 002Sky condition — cloud bases and tops in hundreds of feet MSL.
RM BASES 150-200, SAW APCH L…Remarks.

⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.

Recent aviation weather trends at 35NH

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KLWM reported a mix of conditions, most often VFR across 42 observations, with 9 flight-category changes. The lowest ceiling was 200 ft. Wind most often came from the E.

Last 24 hours
VFR 57%MVFR 19%IFR 7%LIFR 17%
Wind avg/max: 4/10 kt
Max gust:
Lowest ceiling: 200 ft
Lowest vis:
Prevailing wind: E
Category changes: 9

Most recent change: MVFRVFR

Last 7 days
VFR 94%MVFR 4%IFR 1%LIFR 1%
Wind avg/max: 4/11 kt
Max gust: 23 kt
Lowest ceiling: 300 ft
Lowest vis: 4 sm
Prevailing wind: E
Category changes: 7

Most recent change: MVFRVFR

Active Runway - past 30 days
24W
70%
06W
30%

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Airport facts

Reference data from the OurAirports dataset.

Type
Seaplane base
FAA LID
35NH
City
Windham
State
New Hampshire
Country
United States
Elevation
177 ft
Coordinates
42.8069, -71.2759
Runways
2
Longest runway
1,500 ft
Weather reporting
Nearest station KLWM
TAF
Nearest KMHT
Time zone
America/New_York
Next sunset
17h 57m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.

All RC flying fields →

See all New Hampshire airports →

35NH weather — frequently asked

What runways are available at 35NH?+

35NH has 2 runways — 06W, 24W; the longest is 1,500 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for 35NH come from?+

Cobbetts Pond Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KLWM, about 9 nm away — close enough for situational awareness, but local conditions at 35NH can differ.

Does 35NH have a TAF?+

No — 35NH does not publish its own TAF. The nearest TAF station is KMHT, about 10 nm away.

Does 35NH broadcast D-ATIS?+

No — 35NH does not broadcast D-ATIS. Alerts for 35NH from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Cobbetts Pond Seaplane Base (35NH)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Cobbetts Pond Seaplane Base, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for 35NH yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

From the ATIS Alerts team

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