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Felipe Carrillo Puerto

19.578° N   88.045° W  ·  15 M
40 /100
PEAK
Marginal, but there is a 2 hours gap from 00:00.
BEST WINDOW 00:00–02:00 · ASTRO DARK 21:00–06:00 · MOON 1%
Transparency
0.38
Seeing
1.00
Cloud
64%
Moon
1%

Fair tonight

Hour by hour, local to Felipe Carrillo Puerto. Colour encodes the score and nothing else; every other measurement is luminance.

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
19
20
21
22
23
00
01
02
03
04
05
06
07
0
8
33
26
33
36
39
28
19
40
32
6
0
BEST WINDOW
Low cloud
7%
8%
8%
27%
2%
14%
3%
25%
39%
6%
8%
16%
12%
Mid cloud
9%
3%
7%
4%
6%
15%
13%
1%
7%
5%
1%
1%
2%
High cloud
98%
99%
87%
78%
91%
54%
61%
81%
92%
60%
88%
70%
44%
Transparency
0.48
0.38
0.33
0.10
0.30
0.24
0.20
0.18
0.18
0.18
0.18
0.17
0.18
Seeing
0.89
0.96
0.97
0.96
0.90
0.97
1.00
0.99
1.00
1.00
1.00
1.00
1.00
Moon clear
0%
down
down
down
down
down
down
down
down
down
down
down
down
Inspect

Cloud tracks show clear sky — a longer bar is better. The figure inside each track is the raw measurement.

Why this hour scored what it did
19 Clouded out · 0/100
Starting from
100
Cloud
−61
Transparency
−8
Seeing
−1
Moonlight
−0
Darkness
−30
Score
0
CLOUD 98% LOW 7% MID 9% HIGH 98% SUN 4.4° MOON 8.8° / 0% WIND 3 TEMP 28°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.

What are you doing tonight?

The same forecast, weighted for the target. Planetary work barely cares about moonlight; long exposures die on high cloud a visual observer would never notice.

SET UP 23:30 · OBSERVE 00:00–02:00 · 2H · MEAN 36

Darkness and moonlight dominate. Faint fuzzies need a genuinely dark sky more than they need steady air.

19212301030507
HIGH CLOUD CLEARS 00:00CLOUD RETURNS 02:00
SET UP 22:30 · OBSERVE 23:00–02:00 · 3H · MEAN 42

Seeing is everything and moonlight is irrelevant. Bright targets punch through twilight, so darkness barely counts.

19212301030507
CLOUD RETURNS 02:00MOONLIGHT IGNORED FOR THIS TARGET
NO USABLE WINDOW FOR THIS TARGET TONIGHT

Tolerates soft seeing, but high cloud wrecks a wide frame and moonlight raises the background everywhere.

19212301030507
CLOUD NEVER DROPS BELOW 52%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

Needs conditions to hold still for hours. Sustained transparency matters more than any single good hour.

19212301030507
CLOUD NEVER DROPS BELOW 52%
SET UP 03:30 · OBSERVE 04:00–05:00 · 1H · MEAN 36

Naked eye, whole sky. Total cloud and moonlight are the only things that count.

19212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 05:00
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The next week of nights

Tonight · 12 Aug
40
Fair
MOON 0%
00:00–02:00
Tomorrow · 13 Aug
69
Good
MOON 3%
21:00–06:00
Friday · 14 Aug
66
Good
MOON 7%
21:00–00:00
Saturday · 15 Aug
51
Fair
MOON 15%
01:00–02:00
Sunday · 16 Aug
60
Good
MOON 23%
01:00–02:00
Monday · 17 Aug
58
Good
MOON 32%
01:00–02:00
Tuesday · 18 Aug
33
Poor
MOON 42%
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Nearby locations

About this forecast

Conditions for Felipe Carrillo Puerto, Mexico are computed from the MET Norway forecast model for these exact coordinates, combined with sun and moon positions we calculate directly. The score weighs cloud cover by layer, atmospheric transparency, estimated seeing, moonlight and how dark the sky actually gets. Read the full method →