Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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485 FOMY50 PGUM 170530 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 324 PM CHST SAT MAY 17 2025 GUZ001-171800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 324 PM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 TUE 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 87 85 82 78 77 77 83 88 87 85 82 79 77 77 83 88 87 85 82 79 77 DEWPT 74 74 74 74 75 75 75 74 74 75 76 75 75 74 74 74 74 75 75 76 76 RH 65 70 77 88 94 94 77 63 65 72 82 88 94 90 74 63 65 72 79 91 97 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 13 14 12 9 8 10 13 13 14 13 11 10 9 11 13 12 12 11 10 8 8 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.03 0.05 0.03 0.05 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 96 92 87 91 97 96 94 88 90 96 96 93 88 MAX HEAT 96 95 85 91 97 96 86 90 96 95 86 DATE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 SAT 05/24/25 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 77 88 76 88 76 88 TEMP 83 87 82 77 84 88 82 78 84 87 82 77 83 87 82 77 83 87 DEWPT 73 75 75 75 75 74 74 75 74 74 74 75 75 74 75 74 75 74 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 B1 B1 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 $$ MPZ001-171800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 324 PM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 77 87 77 TEMP 86 84 81 79 78 78 83 87 86 84 82 79 78 78 83 87 86 84 82 79 78 DEWPT 74 74 73 74 74 74 74 74 74 75 75 75 74 74 73 73 73 74 75 75 75 RH 68 72 77 85 88 88 74 65 68 74 79 88 88 88 72 63 65 72 79 88 91 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 16 14 13 13 13 17 17 16 16 14 14 13 13 17 16 16 14 14 13 13 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.05 0.04 0.06 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94 91 86 90 95 94 92 88 83 89 94 94 92 88 83 MAX HEAT 94 93 85 90 95 94 86 89 94 93 86 DATE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 SAT 05/24/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 77 87 77 87 78 87 78 87 TEMP 83 86 82 78 83 86 82 78 83 86 82 78 83 86 82 78 83 86 DEWPT 73 75 74 74 74 73 74 74 73 74 75 74 74 74 74 74 74 75 PWIND DIR E E E E E E E E E WIND CHAR BZ GN GN GN GN GN GN GN GN AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 POP 12HR 20 20 20 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-171800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 324 PM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 TUE 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 89 76 89 76 TEMP 87 85 82 78 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 DEWPT 74 75 75 74 74 74 74 75 75 75 75 75 75 75 75 74 74 74 74 75 75 RH 65 72 79 88 90 90 72 64 66 72 79 88 94 94 74 61 63 70 77 88 94 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 14 13 12 12 13 14 16 14 14 14 12 12 13 16 16 14 13 13 12 12 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.05 0.04 0.05 0.05 0.05 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 95 93 88 91 98 98 94 89 92 98 97 93 88 MAX HEAT 96 95 86 91 99 97 86 92 98 96 86 DATE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 SAT 05/24/25 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 89 76 89 76 89 76 89 76 89 TEMP 84 88 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 74 75 75 74 74 73 75 75 74 75 75 74 75 74 74 74 74 75 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 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 $$ MPZ003-171800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 324 PM CHST SAT MAY 17 2025 DATE SAT 05/17/25 SUN 05/18/25 MON 05/19/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 89 76 89 76 TEMP 87 85 82 78 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 DEWPT 74 75 75 74 74 74 74 75 75 75 75 75 75 75 75 75 74 74 74 75 75 RH 65 72 79 88 90 90 72 64 66 72 79 88 94 94 74 64 63 70 77 88 94 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 14 13 12 12 13 16 16 16 14 13 12 12 12 16 16 16 13 13 12 12 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.05 0.03 0.05 0.05 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 96 93 88 91 98 98 94 89 92 98 97 93 88 MAX HEAT 96 95 86 91 98 97 86 92 98 96 86 DATE 05/20/25 WED 05/21/25 THU 05/22/25 FRI 05/23/25 SAT 05/24/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 76 89 76 89 76 89 76 89 TEMP 84 88 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 75 75 75 74 74 73 75 75 74 75 75 74 75 74 74 74 74 75 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 10 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$