31 (土)	05:09	09:24	14:52	22:14
	127cm	96cm	143cm	3cm
大潮 出 07:03 入 16:11 出 16:36 入 07:39

苫小牧（北海道）2039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	32.5	↑3.9
12/31 00:10	36.6	↑4.1
12/31 00:20	41.0	↑4.4
12/31 00:30	45.6	↑4.6
12/31 00:40	50.3	↑4.7
12/31 00:50	55.1	↑4.8
12/31 01:00	60.1	↑5.0
12/31 01:10	65.1	↑5.0
12/31 01:20	70.0	↑4.9
12/31 01:30	74.9	↑4.9
12/31 01:40	79.7	↑4.8
12/31 01:50	84.4	↑4.7
12/31 02:00	88.9	↑4.5
12/31 02:10	93.1	↑4.2
12/31 02:20	97.1	↑4.0
12/31 02:30	100.9	↑3.8
12/31 02:40	104.3	↑3.4
12/31 02:50	107.5	↑3.2
12/31 03:00	110.4	↑2.9
12/31 03:10	113.0	↑2.6
12/31 03:20	115.4	↑2.4
12/31 03:30	117.4	↑2.0
12/31 03:40	119.3	↑1.9
12/31 03:50	120.9	↑1.6
12/31 04:00	122.3	↑1.4
12/31 04:10	123.4	↑1.1
12/31 04:20	124.4	↑1.0
12/31 04:30	125.2	↑0.8
12/31 04:40	125.8	↑0.6
12/31 04:50	126.2	↑0.4
12/31 05:00	126.5	↑0.3	満潮
12/31 05:10	126.5	0
12/31 05:20	126.4	↓-0.1
12/31 05:30	126.1	↓-0.3
12/31 05:40	125.5	↓-0.6
12/31 05:50	124.8	↓-0.7
12/31 06:00	123.8	↓-1.0
12/31 06:10	122.7	↓-1.1
12/31 06:20	121.3	↓-1.4
12/31 06:30	119.8	↓-1.5
12/31 06:40	118.1	↓-1.7
12/31 06:50	116.3	↓-1.8
12/31 07:00	114.4	↓-1.9
12/31 07:10	112.4	↓-2.0
12/31 07:20	110.3	↓-2.1
12/31 07:30	108.3	↓-2.0
12/31 07:40	106.4	↓-1.9
12/31 07:50	104.5	↓-1.9
12/31 08:00	102.7	↓-1.8
12/31 08:10	101.1	↓-1.6
12/31 08:20	99.6	↓-1.5
12/31 08:30	98.4	↓-1.2
12/31 08:40	97.3	↓-1.1
12/31 08:50	96.5	↓-0.8
12/31 09:00	95.9	↓-0.6
12/31 09:10	95.6	↓-0.3
12/31 09:20	95.4	↓-0.2	干潮
12/31 09:30	95.5	↑0.1
12/31 09:40	95.7	↑0.2
12/31 09:50	96.1	↑0.4
12/31 10:00	96.7	↑0.6
12/31 10:10	97.4	↑0.7
12/31 10:20	98.2	↑0.8
12/31 10:30	99.1	↑0.9
12/31 10:40	100.2	↑1.1
12/31 10:50	101.3	↑1.1
12/31 11:00	102.6	↑1.3
12/31 11:10	103.9	↑1.3
12/31 11:20	105.4	↑1.5
12/31 11:30	106.9	↑1.5
12/31 11:40	108.6	↑1.7
12/31 11:50	110.4	↑1.8
12/31 12:00	112.3	↑1.9
12/31 12:10	114.3	↑2.0
12/31 12:20	116.4	↑2.1
12/31 12:30	118.6	↑2.2
12/31 12:40	120.9	↑2.3
12/31 12:50	123.3	↑2.4
12/31 13:00	125.7	↑2.4
12/31 13:10	128.0	↑2.3
12/31 13:20	130.3	↑2.3
12/31 13:30	132.6	↑2.3
12/31 13:40	134.7	↑2.1
12/31 13:50	136.6	↑1.9
12/31 14:00	138.4	↑1.8
12/31 14:10	139.9	↑1.5
12/31 14:20	141.1	↑1.2
12/31 14:30	142.0	↑0.9
12/31 14:40	142.5	↑0.5
12/31 14:50	142.8	↑0.3	満潮
12/31 15:00	142.6	↓-0.2
12/31 15:10	142.2	↓-0.4
12/31 15:20	141.3	↓-0.9
12/31 15:30	140.2	↓-1.1
12/31 15:40	138.7	↓-1.5
12/31 15:50	136.9	↓-1.8
12/31 16:00	134.9	↓-2.0
12/31 16:10	132.5	↓-2.4
12/31 16:20	130.0	↓-2.5
12/31 16:30	127.2	↓-2.8
12/31 16:40	124.2	↓-3.0
12/31 16:50	121.1	↓-3.1
12/31 17:00	117.7	↓-3.4
12/31 17:10	114.2	↓-3.5
12/31 17:20	110.6	↓-3.6
12/31 17:30	106.7	↓-3.9
12/31 17:40	102.7	↓-4.0
12/31 17:50	98.6	↓-4.1
12/31 18:00	94.2	↓-4.4
12/31 18:10	89.8	↓-4.4
12/31 18:20	85.1	↓-4.7
12/31 18:30	80.3	↓-4.8
12/31 18:40	75.4	↓-4.9
12/31 18:50	70.4	↓-5.0
12/31 19:00	65.3	↓-5.1
12/31 19:10	60.2	↓-5.1
12/31 19:20	55.0	↓-5.2	最大潮位差
12/31 19:30	49.9	↓-5.1
12/31 19:40	44.9	↓-5.0
12/31 19:50	39.9	↓-5.0
12/31 20:00	35.2	↓-4.7
12/31 20:10	30.6	↓-4.6
12/31 20:20	26.3	↓-4.3
12/31 20:30	22.3	↓-4.0
12/31 20:40	18.6	↓-3.7
12/31 20:50	15.3	↓-3.3
12/31 21:00	12.4	↓-2.9
12/31 21:10	9.8	↓-2.6
12/31 21:20	7.6	↓-2.2
12/31 21:30	5.8	↓-1.8
12/31 21:40	4.5	↓-1.3
12/31 21:50	3.5	↓-1.0
12/31 22:00	2.8	↓-0.7
12/31 22:10	2.6	↓-0.2	干潮
12/31 22:20	2.6	0
12/31 22:30	3.0	↑0.4
12/31 22:40	3.7	↑0.7
12/31 22:50	4.7	↑1.0
12/31 23:00	6.0	↑1.3
12/31 23:10	7.6	↑1.6
12/31 23:20	9.4	↑1.8
12/31 23:30	11.6	↑2.2
12/31 23:40	14.0	↑2.4
12/31 23:50	16.7	↑2.7