31 (月)	06:31	11:23	16:51	23:48
	126cm	80cm	140cm	20cm
中潮 出 07:03 入 16:12 出 09:18 入 20:16

苫小牧（北海道）2046年12月31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
12/31 00:00	12.6	↑1.1
12/31 00:10	13.9	↑1.3
12/31 00:20	15.5	↑1.6
12/31 00:30	17.3	↑1.8
12/31 00:40	19.4	↑2.1
12/31 00:50	21.8	↑2.4
12/31 01:00	24.5	↑2.7
12/31 01:10	27.4	↑2.9
12/31 01:20	30.6	↑3.2
12/31 01:30	34.1	↑3.5
12/31 01:40	37.8	↑3.7
12/31 01:50	41.8	↑4.0
12/31 02:00	46.0	↑4.2
12/31 02:10	50.4	↑4.4
12/31 02:20	55.0	↑4.6
12/31 02:30	59.7	↑4.7
12/31 02:40	64.5	↑4.8
12/31 02:50	69.3	↑4.8
12/31 03:00	74.2	↑4.9	最大潮位差
12/31 03:10	78.9	↑4.7
12/31 03:20	83.6	↑4.7
12/31 03:30	88.1	↑4.5
12/31 03:40	92.4	↑4.3
12/31 03:50	96.5	↑4.1
12/31 04:00	100.3	↑3.8
12/31 04:10	103.9	↑3.6
12/31 04:20	107.2	↑3.3
12/31 04:30	110.2	↑3.0
12/31 04:40	112.8	↑2.6
12/31 04:50	115.2	↑2.4
12/31 05:00	117.3	↑2.1
12/31 05:10	119.1	↑1.8
12/31 05:20	120.7	↑1.6
12/31 05:30	122.0	↑1.3
12/31 05:40	123.1	↑1.1
12/31 05:50	124.0	↑0.9
12/31 06:00	124.6	↑0.6
12/31 06:10	125.1	↑0.5
12/31 06:20	125.4	↑0.3
12/31 06:30	125.5	↑0.1	満潮
12/31 06:40	125.4	↓-0.1
12/31 06:50	125.1	↓-0.3
12/31 07:00	124.6	↓-0.5
12/31 07:10	123.9	↓-0.7
12/31 07:20	123.0	↓-0.9
12/31 07:30	121.8	↓-1.2
12/31 07:40	120.4	↓-1.4
12/31 07:50	118.8	↓-1.6
12/31 08:00	116.9	↓-1.9
12/31 08:10	114.9	↓-2.0
12/31 08:20	112.7	↓-2.2
12/31 08:30	110.3	↓-2.4
12/31 08:40	107.8	↓-2.5
12/31 08:50	105.1	↓-2.7
12/31 09:00	102.5	↓-2.6
12/31 09:10	99.8	↓-2.7
12/31 09:20	97.2	↓-2.6
12/31 09:30	94.6	↓-2.6
12/31 09:40	92.1	↓-2.5
12/31 09:50	89.8	↓-2.3
12/31 10:00	87.7	↓-2.1
12/31 10:10	85.8	↓-1.9
12/31 10:20	84.2	↓-1.6
12/31 10:30	82.8	↓-1.4
12/31 10:40	81.6	↓-1.2
12/31 10:50	80.7	↓-0.9
12/31 11:00	80.1	↓-0.6
12/31 11:10	79.7	↓-0.4
12/31 11:20	79.5	↓-0.2	干潮
12/31 11:30	79.6	↑0.1
12/31 11:40	79.8	↑0.2
12/31 11:50	80.3	↑0.5
12/31 12:00	80.9	↑0.6
12/31 12:10	81.8	↑0.9
12/31 12:20	82.8	↑1.0
12/31 12:30	83.9	↑1.1
12/31 12:40	85.2	↑1.3
12/31 12:50	86.7	↑1.5
12/31 13:00	88.3	↑1.6
12/31 13:10	90.1	↑1.8
12/31 13:20	92.1	↑2.0
12/31 13:30	94.2	↑2.1
12/31 13:40	96.5	↑2.3
12/31 13:50	99.0	↑2.5
12/31 14:00	101.6	↑2.6
12/31 14:10	104.4	↑2.8
12/31 14:20	107.3	↑2.9
12/31 14:30	110.3	↑3.0
12/31 14:40	113.3	↑3.0
12/31 14:50	116.4	↑3.1
12/31 15:00	119.4	↑3.0
12/31 15:10	122.4	↑3.0
12/31 15:20	125.3	↑2.9
12/31 15:30	128.0	↑2.7
12/31 15:40	130.5	↑2.5
12/31 15:50	132.8	↑2.3
12/31 16:00	134.7	↑1.9
12/31 16:10	136.4	↑1.7
12/31 16:20	137.7	↑1.3
12/31 16:30	138.6	↑0.9
12/31 16:40	139.1	↑0.5
12/31 16:50	139.3	↑0.2	満潮
12/31 17:00	139.1	↓-0.2
12/31 17:10	138.6	↓-0.5
12/31 17:20	137.7	↓-0.9
12/31 17:30	136.4	↓-1.3
12/31 17:40	134.9	↓-1.5
12/31 17:50	133.1	↓-1.8
12/31 18:00	131.0	↓-2.1
12/31 18:10	128.7	↓-2.3
12/31 18:20	126.2	↓-2.5
12/31 18:30	123.4	↓-2.8
12/31 18:40	120.6	↓-2.8
12/31 18:50	117.5	↓-3.1
12/31 19:00	114.3	↓-3.2
12/31 19:10	110.9	↓-3.4
12/31 19:20	107.4	↓-3.5
12/31 19:30	103.7	↓-3.7
12/31 19:40	99.8	↓-3.9
12/31 19:50	95.9	↓-3.9
12/31 20:00	91.7	↓-4.2
12/31 20:10	87.5	↓-4.2
12/31 20:20	83.1	↓-4.4
12/31 20:30	78.7	↓-4.4
12/31 20:40	74.1	↓-4.6
12/31 20:50	69.5	↓-4.6
12/31 21:00	65.0	↓-4.5
12/31 21:10	60.4	↓-4.6
12/31 21:20	55.9	↓-4.5
12/31 21:30	51.5	↓-4.4
12/31 21:40	47.3	↓-4.2
12/31 21:50	43.3	↓-4.0
12/31 22:00	39.5	↓-3.8
12/31 22:10	36.0	↓-3.5
12/31 22:20	32.8	↓-3.2
12/31 22:30	29.9	↓-2.9
12/31 22:40	27.4	↓-2.5
12/31 22:50	25.2	↓-2.2
12/31 23:00	23.4	↓-1.8
12/31 23:10	22.0	↓-1.4
12/31 23:20	20.9	↓-1.1
12/31 23:30	20.2	↓-0.7
12/31 23:40	19.8	↓-0.4	干潮
12/31 23:50	19.8	0