013
FNUS71 KGYX 191356
FWSGYX

Spot Forecast for Portland Mooring Saturday Sunday...United States Coast Guard
National Weather Service Gray ME
956 AM EDT Tue Aug 19 2025

Forecast is based on forecast start time of 1000 EDT on August 23.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (207) 688-3224, if you have questions
or concerns with this forecast.

The forecast on Saturday remains dry and mostly sunny, but there
might be a few showers going into Sunday. Wave heights at the
forecast location continue to be less than 1 foot, but winds will
increase over the weekend as a frontal boundary approaches from
the west with gusts of 20 to 25 kt possible. There is a chance
that winds might not be out of the south yet on Saturday, but
confidence is much higher for southerly winds by Saturday night
into Sunday.

.SATURDAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 76.
Max apparent temp...75.
Surface winds (kts).South winds 8 to 11 knots.
Wave height.........Less than 1 foot.
Sea surface temp....64 Degrees Fahrenheit.
Rainfall amount.....0.00 inches.
CEILING (KFT).......MISSING.
Visibility..........10.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........13  13  14  14  14  14  14  14
Weather cov.....
Weather type....
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO
Chc of pcpn (%).0   0   0   0   0   0   0   0
Temp............69  71  72  73  74  74  75  75
Aparnt tmp (F)..69  71  72  73  74  74  75  75
SFC wnd dir.....S   S   S   S   S   S   S   S
SFC wnd spd kts.8   9   10  10  11  11  11  11
SFC wnd gst.....17  20  22  22  23  23  23  23
Wave height (ft)0   0   0   0   0   0   0   0
SST (F).........64  64  64  64  64  64  64  64
Ceiling (kft)...
Visibility (sm).10  10  10  10  10  10  10  10

.SATURDAY NIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 63.
Max apparent temp...73.
Surface winds (kts).South winds 10 to 11 knots early in the
                    evening.
Wave height.........Less than 1 foot.
Sea surface temp....64 Degrees Fahrenheit.
Rainfall amount.....MISSING.
CEILING (KFT).......MISSING.
Visibility..........10.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........23  23  23  23  23  23  42  42  42  42  42  42
Weather cov.....
Weather type....
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
Chc of pcpn (%).0   0   0   0   0   0   10  10  10  10  10  10
Temp............73  72  70  69  69  68  67  66  65  64  64  63
Aparnt tmp (F)..73  72  70  69  69  68  67  66  65  64  64  63
SFC wnd dir.....S   S   S   S   S   S   S   SW  SW  SW  S   S
SFC wnd spd kts.11  10  10  10  9   9   9   9   9   9   9   9
SFC wnd gst.....23  22  22  22  20  20  20  20  20  20  20  20
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
SST (F).........64  64  64  64  64  64  64  64  64  64  64  64
Ceiling (kft)...
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers in the late morning and early
                    afternoon. Chance of showers late in the
                    afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 74.
Max apparent temp...72.
Surface winds (kts).South winds 9 to 13 knots with gusts to around
                    23 knots.
Wave height.........Less than 1 foot.
Sea surface temp....64 Degrees Fahrenheit.
Rainfall amount.....MISSING.
CEILING (KFT).......MISSING.
Visibility..........10 decreasing to 5 late in the afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........42  42  42  42  42  42  46  46  46  46  46  46
Weather cov.....            SCH SCH SCH SCH SCH SCH CHC CHC CHC
Weather type....            RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
Chc of pcpn (%).10  10  10  20  20  20  20  20  20  30  30  30
Temp............64  64  65  67  68  70  71  71  72  72  72  72
Aparnt tmp (F)..64  64  65  67  68  70  71  71  72  72  72  72
SFC wnd dir.....S   S   S   S   S   S   S   S   S   S   S   S
SFC wnd spd kts.9   9   9   10  11  12  12  13  13  13  13  13
SFC wnd gst.....20  20  20  22  23  25  25  26  26  26  26  26
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
SST (F).........64  64  64  64  64  64  64  64  64  64  64  64
Ceiling (kft)...
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  5

$$
Forecaster...COMBS
Requested by...ENS Ronan Stone
Type of request...SAR
.TAG 2520225.0/GYX
.DELDT 08/19/25
.FormatterVersion 2.0.0
.EMAIL ronan.c.stone@uscg.mil