Surf Forecast Surf Report
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Half Moon Bay location map

Half Moon Bay surf Forecast / Washington / USA

48hr Weather and Surf, issued 4 pm Monday 18 Mar 2024 PDT
Forecast update in  hr  min  s Update imminent
Half Moon Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Half Moon Bay sea temperature is 10.1°C (Statistics for 18 Mar 1981-2005 - mean: 9.4 °C max: 11.4 °C min: 8.0 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Half Moon Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Half Moon Bay sea temperature is 10.1°C (Statistics for 18 Mar 1981-2005 - mean: 9.4 °C max: 11.4 °C min: 8.0 °C)


How big are the waves at Half Moon Bay today?

The current surf forecast for Half Moon Bay at 10PM is: 1.0m 16s primary swell from a West direction and 0.9m 10s secondary swell from a West-northwest direction, 0.8m 6s secondary swell from a Northwest direction (forecast issued at 04:00pm March 18). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Mar)--
Afternoon (18 Mar)3ft (0.9m)17s
Evening (18 Mar)3ft (0.9m)16s

Table - waves today at Half Moon Bay. (Swell directed towards the surf break)

Updates in  hr  min  s Update imminent
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
W
0.9
W
0.9
W
1
W
1
W
1
W
1
W
1.1
W
1.2
W
1.2
W
1.5
W
1.3
W
1.2
W
1.1
W
1.1
W
1
W
1
W
0.9
W
0.6
W
1.3
SSW
0.8
W
0.9
W
1.1
W
1.1
W
1.1
W
1.2
W
1.2
W
1.2
W
1.3
W
1.2
W
1.1
W
1.1
W
1
W
1
W
0.9
W
1.8
SSW
1.6
SSW
1.5
SSW
0.8
W
1.2
SSW
1.3
SSW
1.5
SW
1.5
SW
1.4
SW
1.2
SW
0.6
W
0.7
W
0.8
W
0.8
W
0.9
W
1
W
1
W
1
W
1
W
1
W
1
W
1
W
1
W
1
W
1.1
W
Period(s) (?)1717161616161615141414141413131313132115201918181716161616151515141414888137810998181817161616151515151514141413
Wave
Graph
(?)Metric surfscale
Energy (?)481448427513501494482531598585931672515407407336331259317706477573760743718759741723832666520506412401302402294273212150187415349268196224304346339427501434428434440422416405388426
Wind
(km/h)
15
NNW
20
NNW
15
NNW
15
NNW
10
NNW
5
N
5
NW
10
WSW
15
WSW
15
W
10
W
5
W
5
WSW
5
SSW
10
S
15
S
20
S
25
S
20
SSW
20
SSW
10
SSW
10
SE
15
ESE
15
ESE
15
ESE
15
SSE
20
SE
20
SE
10
ESE
10
ESE
20
E
15
ESE
10
S
15
ENE
20
E
15
ESE
25
S
15
SE
25
E
25
SE
25
SSE
25
S
15
SE
10
ESE
5
NE
5
NW
15
NW
25
WNW
25
WNW
25
WNW
25
WNW
20
W
20
W
15
W
15
W
10
WSW
5
SW
10
WSW
5
SW
0
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
cross-
on
glassglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
offcross-
off
cross-
off
offoffcross-
off
onononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrossglass
High Tide
/ height (m)
10:10PM
2.06
9:03AM
2.47
11:10PM
2.18
10:12AM
2.50
11:49PM
2.31
11:08AM
2.56
12:21AM
2.42
11:56AM
2.61
12:50AM
2.53
12:38PM
2.63
1:18AM
2.63
1:18PM
2.62
1:45AM
2.71
1:56PM
2.58
Low Tide
/ height (m)
2:57PM
0.44
2:59AM
1.47
4:07PM
0.41
4:12AM
1.33
5:01PM
0.34
5:07AM
1.13
5:42PM
0.27
5:52AM
0.91
6:17PM
0.23
6:31AM
0.70
6:49PM
0.24
7:07AM
0.52
7:19PM
0.29
7:42AM
0.36
7:48PM
0.38
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Sunrise------7:20-------7:18-------7:16-------7:13-------7:11-------7:09-------7:07-----
Sunset-7:27-------7:28-------7:30-------7:30-------7:31-------7:34-------7:35-------7:37--
part cloudclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudcloudcloudcloudcloudlight rainrain showerscloudcloudlight rainrain showerscloudlight rainlight rainlight rainlight raincloudcloudlight rainrain showerscloudlight rainlight rainrain showerscloudlight rainlight rainrain showerscloudpart cloudpart cloudcloudcloudlight rainclearclearcloudcloudcloudcloudcloudcloudpart cloudcloudcloudcloud
Rain (mm)
-------------------21--11-2413--12-221-111-----1------------
Temp. °C16141311109910998888891091099999911101010109111011111010989999888991099888889999
Feels °C (?)13109888886656666553556766586677587877452433556653433233346568

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