


Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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833 FOMY50 PGUM 140520 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 318 PM CHST WED MAY 14 2025 GUZ001-141800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 318 PM CHST WED MAY 14 2025 DATE WED 05/14/25 THU 05/15/25 FRI 05/16/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 86 82 80 78 76 77 83 88 87 85 82 78 77 77 83 88 87 85 82 78 77 DEWPT 72 73 73 73 73 73 72 72 72 74 74 74 74 74 74 74 74 75 75 75 74 RH 63 74 79 85 90 87 70 59 61 70 77 88 90 90 74 63 65 72 79 91 90 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 13 10 11 9 11 12 12 10 10 10 9 8 10 12 13 12 12 11 9 9 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 10 QPF 12HR 0.09 0.07 0.03 0.02 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 88 84 89 95 94 92 87 90 96 96 92 88 MAX HEAT 94 93 89 95 93 85 90 96 95 86 DATE 05/17/25 SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 88 76 88 76 88 76 88 TEMP 83 87 82 77 83 87 82 77 83 87 82 77 83 87 82 77 84 88 DEWPT 73 73 75 75 74 74 75 74 74 74 76 76 75 75 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ001-141800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 318 PM CHST WED MAY 14 2025 DATE WED 05/14/25 THU 05/15/25 FRI 05/16/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 86 77 86 77 TEMP 84 82 80 78 78 78 83 86 86 84 81 79 78 78 83 86 86 84 81 79 78 DEWPT 73 73 73 73 73 73 73 73 73 74 74 74 74 74 74 74 74 74 74 74 74 RH 70 74 79 85 85 85 72 65 65 72 79 85 88 88 74 68 68 72 79 85 88 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 17 14 13 11 10 12 12 11 10 11 10 11 9 11 12 12 13 13 12 10 9 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 10 QPF 12HR 0.15 0.11 0.06 0.02 0.01 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 87 84 88 93 92 91 87 89 94 94 91 87 MAX HEAT 93 92 83 88 93 92 86 89 94 93 86 DATE 05/17/25 SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 77 87 77 87 77 87 77 87 TEMP 83 86 81 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 74 74 75 75 75 74 75 74 74 74 76 75 75 75 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-141800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 318 PM CHST WED MAY 14 2025 DATE WED 05/14/25 THU 05/15/25 FRI 05/16/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 86 82 80 78 76 77 83 88 87 85 82 78 77 77 83 88 87 85 82 78 77 DEWPT 72 73 73 73 73 73 73 73 73 74 75 74 74 74 74 74 74 74 74 74 74 RH 63 74 79 85 90 87 72 61 63 70 79 88 90 90 74 63 65 70 77 88 90 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 16 13 12 11 13 13 10 10 11 11 10 9 8 13 12 12 13 12 10 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 10 QPF 12HR 0.11 0.14 0.06 0.02 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 88 83 89 95 94 92 87 90 96 95 92 87 MAX HEAT 94 93 89 95 94 85 90 96 94 85 DATE 05/17/25 SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 89 76 89 76 89 76 89 TEMP 83 87 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 74 74 75 75 74 74 75 75 74 74 76 75 75 75 76 75 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ003-141800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 318 PM CHST WED MAY 14 2025 DATE WED 05/14/25 THU 05/15/25 FRI 05/16/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 86 82 80 78 76 77 83 88 87 85 82 78 77 77 83 88 87 85 82 78 77 DEWPT 73 73 73 73 73 73 73 73 73 74 75 74 74 74 74 74 74 74 74 74 74 RH 65 74 79 85 90 87 72 61 63 70 79 88 90 90 74 63 65 70 77 88 90 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 14 13 11 11 12 12 11 10 11 10 8 6 10 12 12 12 13 12 10 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 10 QPF 12HR 0.10 0.13 0.05 0.03 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 88 83 89 95 95 92 87 90 96 95 92 87 MAX HEAT 95 93 89 95 94 85 90 96 95 85 DATE 05/17/25 SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 89 76 89 76 89 76 89 TEMP 83 87 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 74 74 75 75 74 74 75 74 74 74 76 75 75 76 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$