Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
498 FOMY50 PGUM 120520 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 318 PM CHST MON MAY 12 2025 GUZ001-121800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 318 PM CHST MON MAY 12 2025 DATE MON 05/12/25 TUE 05/13/25 WED 05/14/25 THU 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 88 77 88 76 TEMP 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 78 77 DEWPT 73 72 73 73 72 73 73 72 71 71 71 71 72 72 73 72 72 71 72 72 73 RH 63 65 74 82 82 85 70 59 59 63 69 77 82 82 70 59 61 63 72 82 87 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 17 10 9 10 17 17 17 17 12 9 8 8 17 18 18 18 17 16 14 14 WIND GUST 19 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 0.05 0.02 0.07 0.05 0.04 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 91 87 83 89 94 93 90 86 82 89 95 93 90 86 MAX HEAT 95 94 86 89 94 92 85 89 95 92 84 DATE 05/15/25 FRI 05/16/25 SAT 05/17/25 SUN 05/18/25 MON 05/19/25 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 87 76 87 TEMP 83 87 82 77 83 87 82 77 83 87 82 77 83 87 81 77 83 87 DEWPT 73 72 72 73 72 72 73 73 73 72 73 72 72 72 72 73 73 72 PWIND DIR E E E E E E E E E WIND CHAR BZ 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 $$ MPZ001-121800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 318 PM CHST MON MAY 12 2025 DATE MON 05/12/25 TUE 05/13/25 WED 05/14/25 THU CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 86 78 86 77 TEMP 86 84 82 80 78 79 83 86 86 84 82 80 78 79 83 86 86 84 81 79 78 DEWPT 73 71 71 71 71 71 71 70 70 70 70 69 69 70 71 71 71 71 72 72 73 RH 65 65 69 74 79 77 67 59 59 63 67 69 74 74 67 61 61 65 74 79 85 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 17 14 16 16 17 17 17 17 14 13 13 13 17 18 18 18 18 18 17 16 CLOUDS SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 10 QPF 12HR 0.05 0.02 0.04 0.07 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 89 86 83 87 91 90 88 85 82 87 92 91 89 86 82 MAX HEAT 93 92 85 87 91 89 84 87 92 90 84 DATE 05/15/25 FRI 05/16/25 SAT 05/17/25 SUN 05/18/25 MON 05/19/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 77 86 77 86 77 86 77 86 TEMP 83 86 81 78 83 86 81 78 83 86 81 78 82 85 81 78 82 86 DEWPT 72 72 72 72 72 72 72 73 73 72 72 72 72 72 71 72 72 72 PWIND DIR E E E E E E E E E WIND CHAR BZ GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 20 20 10 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-121800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 318 PM CHST MON MAY 12 2025 DATE MON 05/12/25 TUE 05/13/25 WED 05/14/25 THU 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 78 77 77 83 88 87 85 82 78 77 DEWPT 74 72 72 72 71 71 71 71 71 70 69 69 69 70 70 71 72 73 73 73 73 RH 65 65 72 82 82 82 67 57 59 61 65 74 76 79 65 57 61 67 74 85 87 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 17 13 13 13 17 17 17 17 14 12 12 12 17 18 18 18 18 17 17 16 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 10 QPF 12HR 0.02 0.01 0.03 0.08 0.04 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 91 86 88 94 93 89 85 87 94 93 91 86 MAX HEAT 96 94 84 88 94 92 83 87 94 93 85 DATE 05/15/25 FRI 05/16/25 SAT 05/17/25 SUN 05/18/25 MON 05/19/25 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 83 87 DEWPT 74 73 72 74 72 73 72 73 72 73 72 71 72 72 73 73 72 73 PWIND DIR E E E E E E E E E WIND CHAR BZ 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 10 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ003-121800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 318 PM CHST MON MAY 12 2025 DATE MON 05/12/25 TUE 05/13/25 WED 05/14/25 THU CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 87 85 82 78 77 77 83 88 87 85 82 78 77 77 83 88 87 85 82 78 77 DEWPT 74 72 72 72 71 71 71 71 71 70 69 69 69 70 70 71 72 73 73 73 73 RH 65 65 72 82 82 82 67 57 59 61 65 74 76 79 65 57 61 67 74 85 87 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 17 14 13 13 17 17 17 17 14 13 12 11 16 18 18 17 17 17 16 14 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 10 QPF 12HR 0.03 0.01 0.02 0.08 0.04 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 95 91 86 88 94 93 89 85 87 94 94 91 86 MAX HEAT 96 94 84 88 94 92 83 87 94 93 85 DATE 05/15/25 FRI 05/16/25 SAT 05/17/25 SUN 05/18/25 MON 05/19/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 88 76 88 76 88 76 88 TEMP 83 87 82 77 83 87 82 77 83 87 82 77 83 87 82 77 83 87 DEWPT 74 73 72 73 73 73 72 73 72 73 72 71 72 72 73 72 72 73 PWIND DIR E E E E E E E E E WIND CHAR BZ GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$