19 (木)	09:12	02:36	23:15	16:44
	123cm	64cm	92cm	56cm
長潮 出 06:59 入 16:04 出 00:19 入 11:44

苫小牧（北海道）2030年12月19日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/19 00:00	77.4	↓-1.3
12/19 00:10	76.1	↓-1.3
12/19 00:20	74.8	↓-1.3
12/19 00:30	73.5	↓-1.3
12/19 00:40	72.2	↓-1.3
12/19 00:50	70.9	↓-1.3
12/19 01:00	69.7	↓-1.2
12/19 01:10	68.5	↓-1.2
12/19 01:20	67.5	↓-1.0
12/19 01:30	66.5	↓-1.0
12/19 01:40	65.7	↓-0.8
12/19 01:50	65.0	↓-0.7
12/19 02:00	64.4	↓-0.6
12/19 02:10	63.9	↓-0.5
12/19 02:20	63.6	↓-0.3
12/19 02:30	63.5	↓-0.1	干潮
12/19 02:40	63.5	0
12/19 02:50	63.6	↑0.1
12/19 03:00	63.9	↑0.3
12/19 03:10	64.4	↑0.5
12/19 03:20	65.0	↑0.6
12/19 03:30	65.7	↑0.7
12/19 03:40	66.6	↑0.9
12/19 03:50	67.6	↑1.0
12/19 04:00	68.8	↑1.2
12/19 04:10	70.1	↑1.3
12/19 04:20	71.5	↑1.4
12/19 04:30	73.1	↑1.6
12/19 04:40	74.7	↑1.6
12/19 04:50	76.5	↑1.8
12/19 05:00	78.4	↑1.9
12/19 05:10	80.4	↑2.0
12/19 05:20	82.5	↑2.1
12/19 05:30	84.7	↑2.2
12/19 05:40	86.9	↑2.2
12/19 05:50	89.2	↑2.3
12/19 06:00	91.6	↑2.4
12/19 06:10	94.0	↑2.4
12/19 06:20	96.5	↑2.5	最大潮位差
12/19 06:30	98.9	↑2.4
12/19 06:40	101.3	↑2.4
12/19 06:50	103.7	↑2.4
12/19 07:00	106.0	↑2.3
12/19 07:10	108.3	↑2.3
12/19 07:20	110.4	↑2.1
12/19 07:30	112.4	↑2.0
12/19 07:40	114.3	↑1.9
12/19 07:50	116.0	↑1.7
12/19 08:00	117.5	↑1.5
12/19 08:10	118.8	↑1.3
12/19 08:20	120.0	↑1.2
12/19 08:30	120.9	↑0.9
12/19 08:40	121.6	↑0.7
12/19 08:50	122.2	↑0.6
12/19 09:00	122.5	↑0.3
12/19 09:10	122.6	↑0.1	満潮
12/19 09:20	122.5	↓-0.1
12/19 09:30	122.3	↓-0.2
12/19 09:40	121.8	↓-0.5
12/19 09:50	121.2	↓-0.6
12/19 10:00	120.5	↓-0.7
12/19 10:10	119.5	↓-1.0
12/19 10:20	118.4	↓-1.1
12/19 10:30	117.2	↓-1.2
12/19 10:40	115.9	↓-1.3
12/19 10:50	114.4	↓-1.5
12/19 11:00	112.8	↓-1.6
12/19 11:10	111.1	↓-1.7
12/19 11:20	109.2	↓-1.9
12/19 11:30	107.3	↓-1.9
12/19 11:40	105.3	↓-2.0
12/19 11:50	103.2	↓-2.1
12/19 12:00	101.0	↓-2.2
12/19 12:10	98.8	↓-2.2
12/19 12:20	96.5	↓-2.3
12/19 12:30	94.1	↓-2.4
12/19 12:40	91.8	↓-2.3
12/19 12:50	89.4	↓-2.4
12/19 13:00	87.0	↓-2.4
12/19 13:10	84.6	↓-2.4
12/19 13:20	82.2	↓-2.4
12/19 13:30	79.9	↓-2.3
12/19 13:40	77.6	↓-2.3
12/19 13:50	75.4	↓-2.2
12/19 14:00	73.3	↓-2.1
12/19 14:10	71.3	↓-2.0
12/19 14:20	69.4	↓-1.9
12/19 14:30	67.6	↓-1.8
12/19 14:40	65.9	↓-1.7
12/19 14:50	64.3	↓-1.6
12/19 15:00	62.8	↓-1.5
12/19 15:10	61.5	↓-1.3
12/19 15:20	60.3	↓-1.2
12/19 15:30	59.3	↓-1.0
12/19 15:40	58.4	↓-0.9
12/19 15:50	57.6	↓-0.8
12/19 16:00	57.0	↓-0.6
12/19 16:10	56.5	↓-0.5
12/19 16:20	56.1	↓-0.4
12/19 16:30	55.9	↓-0.2
12/19 16:40	55.8	↓-0.1	干潮
12/19 16:50	55.8	0
12/19 17:00	56.0	↑0.2
12/19 17:10	56.3	↑0.3
12/19 17:20	56.7	↑0.4
12/19 17:30	57.2	↑0.5
12/19 17:40	57.9	↑0.7
12/19 17:50	58.7	↑0.8
12/19 18:00	59.6	↑0.9
12/19 18:10	60.6	↑1.0
12/19 18:20	61.7	↑1.1
12/19 18:30	62.9	↑1.2
12/19 18:40	64.2	↑1.3
12/19 18:50	65.6	↑1.4
12/19 19:00	67.0	↑1.4
12/19 19:10	68.5	↑1.5
12/19 19:20	70.0	↑1.5
12/19 19:30	71.5	↑1.5
12/19 19:40	73.0	↑1.5
12/19 19:50	74.5	↑1.5
12/19 20:00	76.0	↑1.5
12/19 20:10	77.4	↑1.4
12/19 20:20	78.8	↑1.4
12/19 20:30	80.2	↑1.4
12/19 20:40	81.4	↑1.2
12/19 20:50	82.7	↑1.3
12/19 21:00	83.8	↑1.1
12/19 21:10	84.9	↑1.1
12/19 21:20	85.9	↑1.0
12/19 21:30	86.8	↑0.9
12/19 21:40	87.6	↑0.8
12/19 21:50	88.3	↑0.7
12/19 22:00	89.0	↑0.7
12/19 22:10	89.5	↑0.5
12/19 22:20	90.0	↑0.5
12/19 22:30	90.4	↑0.4
12/19 22:40	90.7	↑0.3
12/19 22:50	91.0	↑0.3
12/19 23:00	91.1	↑0.1
12/19 23:10	91.2	↑0.1	満潮
12/19 23:20	91.2	0
12/19 23:30	91.1	↓-0.1
12/19 23:40	90.9	↓-0.2
12/19 23:50	90.7	↓-0.2