31 (金)	06:23	11:05	16:28	23:30
	126cm	85cm	139cm	16cm
中潮 出 07:03 入 16:11 出 09:03 入 19:27

苫小牧（北海道）2027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	14.6	↑1.5
12/31 00:10	16.3	↑1.7
12/31 00:20	18.3	↑2.0
12/31 00:30	20.5	↑2.2
12/31 00:40	23.0	↑2.5
12/31 00:50	25.8	↑2.8
12/31 01:00	28.9	↑3.1
12/31 01:10	32.2	↑3.3
12/31 01:20	35.7	↑3.5
12/31 01:30	39.5	↑3.8
12/31 01:40	43.6	↑4.1
12/31 01:50	47.8	↑4.2
12/31 02:00	52.2	↑4.4
12/31 02:10	56.8	↑4.6
12/31 02:20	61.5	↑4.7
12/31 02:30	66.3	↑4.8	最大潮位差
12/31 02:40	71.0	↑4.7
12/31 02:50	75.8	↑4.8	最大潮位差
12/31 03:00	80.5	↑4.7
12/31 03:10	85.0	↑4.5
12/31 03:20	89.4	↑4.4
12/31 03:30	93.6	↑4.2
12/31 03:40	97.6	↑4.0
12/31 03:50	101.3	↑3.7
12/31 04:00	104.8	↑3.5
12/31 04:10	107.9	↑3.1
12/31 04:20	110.8	↑2.9
12/31 04:30	113.3	↑2.5
12/31 04:40	115.6	↑2.3
12/31 04:50	117.6	↑2.0
12/31 05:00	119.4	↑1.8
12/31 05:10	120.9	↑1.5
12/31 05:20	122.2	↑1.3
12/31 05:30	123.2	↑1.0
12/31 05:40	124.1	↑0.9
12/31 05:50	124.8	↑0.7
12/31 06:00	125.3	↑0.5
12/31 06:10	125.6	↑0.3
12/31 06:20	125.7	↑0.1	満潮
12/31 06:30	125.7	0
12/31 06:40	125.4	↓-0.3
12/31 06:50	125.0	↓-0.4
12/31 07:00	124.3	↓-0.7
12/31 07:10	123.5	↓-0.8
12/31 07:20	122.4	↓-1.1
12/31 07:30	121.1	↓-1.3
12/31 07:40	119.6	↓-1.5
12/31 07:50	117.9	↓-1.7
12/31 08:00	116.0	↓-1.9
12/31 08:10	113.9	↓-2.1
12/31 08:20	111.6	↓-2.3
12/31 08:30	109.3	↓-2.3
12/31 08:40	106.9	↓-2.4
12/31 08:50	104.4	↓-2.5
12/31 09:00	101.9	↓-2.5
12/31 09:10	99.5	↓-2.4
12/31 09:20	97.2	↓-2.3
12/31 09:30	95.0	↓-2.2
12/31 09:40	93.0	↓-2.0
12/31 09:50	91.1	↓-1.9
12/31 10:00	89.5	↓-1.6
12/31 10:10	88.1	↓-1.4
12/31 10:20	86.9	↓-1.2
12/31 10:30	86.0	↓-0.9
12/31 10:40	85.3	↓-0.7
12/31 10:50	84.9	↓-0.4
12/31 11:00	84.7	↓-0.2	干潮
12/31 11:10	84.7	0
12/31 11:20	85.0	↑0.3
12/31 11:30	85.4	↑0.4
12/31 11:40	86.0	↑0.6
12/31 11:50	86.7	↑0.7
12/31 12:00	87.6	↑0.9
12/31 12:10	88.7	↑1.1
12/31 12:20	89.9	↑1.2
12/31 12:30	91.2	↑1.3
12/31 12:40	92.7	↑1.5
12/31 12:50	94.3	↑1.6
12/31 13:00	96.0	↑1.7
12/31 13:10	97.9	↑1.9
12/31 13:20	100.0	↑2.1
12/31 13:30	102.2	↑2.2
12/31 13:40	104.6	↑2.4
12/31 13:50	107.0	↑2.4
12/31 14:00	109.6	↑2.6
12/31 14:10	112.3	↑2.7
12/31 14:20	115.1	↑2.8
12/31 14:30	117.9	↑2.8
12/31 14:40	120.7	↑2.8
12/31 14:50	123.4	↑2.7
12/31 15:00	126.1	↑2.7
12/31 15:10	128.6	↑2.5
12/31 15:20	130.9	↑2.3
12/31 15:30	133.0	↑2.1
12/31 15:40	134.8	↑1.8
12/31 15:50	136.3	↑1.5
12/31 16:00	137.5	↑1.2
12/31 16:10	138.4	↑0.9
12/31 16:20	138.8	↑0.4	満潮
12/31 16:30	138.9	↑0.1
12/31 16:40	138.6	↓-0.3
12/31 16:50	138.0	↓-0.6
12/31 17:00	136.9	↓-1.1
12/31 17:10	135.6	↓-1.3
12/31 17:20	133.9	↓-1.7
12/31 17:30	131.9	↓-2.0
12/31 17:40	129.7	↓-2.2
12/31 17:50	127.2	↓-2.5
12/31 18:00	124.6	↓-2.6
12/31 18:10	121.7	↓-2.9
12/31 18:20	118.6	↓-3.1
12/31 18:30	115.4	↓-3.2
12/31 18:40	112.0	↓-3.4
12/31 18:50	108.5	↓-3.5
12/31 19:00	104.9	↓-3.6
12/31 19:10	101.1	↓-3.8
12/31 19:20	97.2	↓-3.9
12/31 19:30	93.1	↓-4.1
12/31 19:40	88.9	↓-4.2
12/31 19:50	84.7	↓-4.2
12/31 20:00	80.2	↓-4.5
12/31 20:10	75.8	↓-4.4
12/31 20:20	71.2	↓-4.6
12/31 20:30	66.6	↓-4.6
12/31 20:40	62.0	↓-4.6
12/31 20:50	57.3	↓-4.7
12/31 21:00	52.8	↓-4.5
12/31 21:10	48.4	↓-4.4
12/31 21:20	44.0	↓-4.4
12/31 21:30	39.9	↓-4.1
12/31 21:40	36.0	↓-3.9
12/31 21:50	32.4	↓-3.6
12/31 22:00	29.1	↓-3.3
12/31 22:10	26.1	↓-3.0
12/31 22:20	23.4	↓-2.7
12/31 22:30	21.2	↓-2.2
12/31 22:40	19.3	↓-1.9
12/31 22:50	17.7	↓-1.6
12/31 23:00	16.6	↓-1.1
12/31 23:10	15.8	↓-0.8
12/31 23:20	15.3	↓-0.5	干潮
12/31 23:30	15.2	↓-0.1	干潮
12/31 23:40	15.4	↑0.2
12/31 23:50	15.9	↑0.5