Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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165 FOMY50 PGUM 270510 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 301 PM CHST THU NOV 27 2025 GUZ001-271800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 301 PM CHST THU NOV 27 2025 DATE THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN 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 79 77 78 83 88 87 85 82 79 77 78 83 87 87 84 81 79 77 DEWPT 79 78 78 78 77 77 77 76 76 77 77 77 77 78 78 78 78 79 79 79 78 RH 77 80 88 97100 97 82 68 70 77 85 94100100 85 75 75 85 94100103 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 10 9 11 13 12 11 10 8 8 8 11 14 12 10 13 10 9 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 30 30 40 QPF 12HR 0.17 0.22 0.08 0.14 0.42 RAIN SHWRS S S S S S C C C C S S S S C C C C C C C C TSTMS S S S S HEAT INDEX 101 96 91 92 99 98 95 89 93100 99 96 91 MAX HEAT 101 100 89 92 99 97 88 93 100 99 89 DATE 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU 12/04/25 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 79 86 79 86 79 87 79 85 TEMP 82 85 82 79 83 86 82 79 83 85 82 79 84 86 82 79 83 85 DEWPT 78 78 78 78 78 78 79 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR NE E SE SE SE SE SE SE SE WIND CHAR GN GN GN GN GN GN GN GN LT AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 50 50 40 40 40 30 30 20 20 RAIN SHWRS C C C C C C C C C C C C C S S S S S TSTMS S S S S S S S S S S S $$ MPZ001-271800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 301 PM CHST THU NOV 27 2025 DATE THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 87 78 86 78 TEMP 86 84 82 80 78 79 83 87 87 85 82 80 78 79 83 86 85 84 82 80 78 DEWPT 79 78 78 77 77 76 76 76 76 76 77 77 77 78 78 78 78 78 79 79 78 RH 80 82 88 91 97 91 80 70 70 75 85 91 97 97 85 77 80 82 91 97100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 17 16 13 11 12 14 13 11 13 11 9 10 13 17 13 14 16 13 11 8 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 POP 12HR 20 20 20 40 40 QPF 12HR 0.05 0.02 0.13 0.19 0.45 RAIN SHWRS S S S S S S S S S S S S S C C C C C C C C TSTMS S S S S HEAT INDEX 99 96 91 85 92 98 97 94 90 85 92 98 97 95 91 85 MAX HEAT 100 99 89 92 98 96 89 92 98 97 89 DATE 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU 12/04/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 79 86 79 85 79 85 79 84 TEMP 82 85 82 79 83 85 82 79 82 84 81 79 83 85 82 79 82 84 DEWPT 78 78 78 78 78 78 78 78 78 78 78 77 77 77 78 77 78 78 PWIND DIR E E SE SE SE SE SE SE SE WIND CHAR BZ BZ GN GN GN GN GN GN GN AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 50 50 50 40 40 40 40 20 20 RAIN SHWRS C C C C C C C C C C C C C S S S S S TSTMS S S S S S S S S S $$ MPZ002-271800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 301 PM CHST THU NOV 27 2025 DATE THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN 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 78 78 77 76 76 75 75 75 75 76 76 77 77 77 78 78 78 78 79 78 78 RH 75 80 85 94 97 94 77 66 68 75 82 97100100 85 72 75 80 91100103 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 12 10 11 12 13 12 12 11 9 10 12 17 16 14 17 12 11 11 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 30 40 QPF 12HR 0.05 0.01 0.13 0.12 0.38 RAIN SHWRS S S S S S S S S S S S S S C C C C C C C C TSTMS S S S S HEAT INDEX 100 96 89 91 97 97 94 89 93101100 96 91 MAX HEAT 101 99 87 91 97 96 87 93 101 99 89 DATE 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU 12/04/25 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 77 88 77 87 77 88 77 86 TEMP 83 87 82 78 84 87 82 78 83 86 82 78 83 87 82 78 82 85 DEWPT 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 77 77 PWIND DIR E E E SE SE SE SE SE SE WIND CHAR BZ BZ BZ BZ BZ GN GN GN GN AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 POP 12HR 40 50 50 50 40 40 40 20 20 RAIN SHWRS C C C C C C C C C C C C C S S S S S TSTMS S S S S S S S S S $$ MPZ003-271800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 301 PM CHST THU NOV 27 2025 DATE THU 11/27/25 FRI 11/28/25 SAT 11/29/25 SUN CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 87 85 82 78 77 77 83 88 87 85 82 78 77 77 83 88 87 85 82 78 77 DEWPT 78 78 77 76 75 75 75 75 75 76 76 77 77 77 78 78 78 78 79 78 78 RH 75 80 85 94 94 94 77 66 68 75 82 97100100 85 72 75 80 91100103 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 17 14 12 10 11 11 12 12 12 11 9 10 13 17 16 14 17 12 11 11 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 30 40 QPF 12HR 0.05 0.01 0.13 0.09 0.35 RAIN SHWRS S S S S S S S S S S S S S C C C C C C C C TSTMS S S S S S S S S HEAT INDEX 101 96 89 91 97 97 94 89 93101100 96 91 MAX HEAT 101 100 87 91 97 96 87 93 101 99 89 DATE 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU 12/04/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 77 88 77 87 77 88 77 86 TEMP 83 87 82 78 84 87 82 78 83 86 82 78 83 87 82 78 82 85 DEWPT 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 77 77 PWIND DIR E E E SE SE SE SE SE SE WIND CHAR BZ BZ BZ BZ BZ GN GN GN GN AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 POP 12HR 40 50 50 50 40 40 40 20 20 RAIN SHWRS C C C C C C C C C C C C C S S S S S TSTMS S S S S S S S S S $$