2 (金)	05:21	12:21	19:16	-
	141cm	10cm	110cm	-
中潮 出 05:15 入 18:02 出 23:41 入 07:59 潮干狩り ◎ 10:25～14:39

苫小牧（北海道）2021年04月2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
4/2 00:00	68.1	↑0.7
4/2 00:10	68.9	↑0.8
4/2 00:20	70.1	↑1.2
4/2 00:30	71.4	↑1.3
4/2 00:40	73.0	↑1.6
4/2 00:50	74.7	↑1.7
4/2 01:00	76.6	↑1.9
4/2 01:10	78.7	↑2.1
4/2 01:20	80.9	↑2.2
4/2 01:30	83.2	↑2.3
4/2 01:40	85.7	↑2.5
4/2 01:50	88.3	↑2.6
4/2 02:00	91.0	↑2.7
4/2 02:10	93.8	↑2.8
4/2 02:20	96.7	↑2.9
4/2 02:30	99.7	↑3.0
4/2 02:40	102.8	↑3.1
4/2 02:50	106.0	↑3.2
4/2 03:00	109.2	↑3.2
4/2 03:10	112.5	↑3.3
4/2 03:20	115.7	↑3.2
4/2 03:30	119.0	↑3.3
4/2 03:40	122.1	↑3.1
4/2 03:50	125.2	↑3.1
4/2 04:00	128.0	↑2.8
4/2 04:10	130.7	↑2.7
4/2 04:20	133.2	↑2.5
4/2 04:30	135.3	↑2.1
4/2 04:40	137.1	↑1.8
4/2 04:50	138.6	↑1.5
4/2 05:00	139.6	↑1.0
4/2 05:10	140.3	↑0.7
4/2 05:20	140.5	↑0.2	満潮
4/2 05:30	140.3	↓-0.2
4/2 05:40	139.7	↓-0.6
4/2 05:50	138.7	↓-1.0
4/2 06:00	137.3	↓-1.4
4/2 06:10	135.5	↓-1.8
4/2 06:20	133.4	↓-2.1
4/2 06:30	130.9	↓-2.5
4/2 06:40	128.2	↓-2.7
4/2 06:50	125.2	↓-3.0
4/2 07:00	122.0	↓-3.2
4/2 07:10	118.5	↓-3.5
4/2 07:20	114.9	↓-3.6
4/2 07:30	111.2	↓-3.7
4/2 07:40	107.3	↓-3.9
4/2 07:50	103.3	↓-4.0
4/2 08:00	99.1	↓-4.2
4/2 08:10	94.9	↓-4.2
4/2 08:20	90.5	↓-4.4
4/2 08:30	86.0	↓-4.5
4/2 08:40	81.5	↓-4.5
4/2 08:50	76.9	↓-4.6
4/2 09:00	72.2	↓-4.7
4/2 09:10	67.5	↓-4.7
4/2 09:20	62.7	↓-4.8	最大潮位差
4/2 09:30	58.0	↓-4.7
4/2 09:40	53.3	↓-4.7
4/2 09:50	48.6	↓-4.7
4/2 10:00	44.1	↓-4.5
4/2 10:10	39.7	↓-4.4
4/2 10:20	35.5	↓-4.2
4/2 10:30	31.5	↓-4.0
4/2 10:40	27.7	↓-3.8
4/2 10:50	24.3	↓-3.4
4/2 11:00	21.1	↓-3.2
4/2 11:10	18.3	↓-2.8
4/2 11:20	15.9	↓-2.4
4/2 11:30	13.9	↓-2.0
4/2 11:40	12.2	↓-1.7
4/2 11:50	11.0	↓-1.2
4/2 12:00	10.1	↓-0.9
4/2 12:10	9.6	↓-0.5
4/2 12:20	9.4	↓-0.2	干潮
4/2 12:30	9.6	↑0.2
4/2 12:40	10.1	↑0.5
4/2 12:50	10.8	↑0.7
4/2 13:00	11.9	↑1.1
4/2 13:10	13.2	↑1.3
4/2 13:20	14.7	↑1.5
4/2 13:30	16.5	↑1.8
4/2 13:40	18.5	↑2.0
4/2 13:50	20.6	↑2.1
4/2 14:00	23.0	↑2.4
4/2 14:10	25.6	↑2.6
4/2 14:20	28.3	↑2.7
4/2 14:30	31.3	↑3.0
4/2 14:40	34.4	↑3.1
4/2 14:50	37.7	↑3.3
4/2 15:00	41.2	↑3.5
4/2 15:10	44.8	↑3.6
4/2 15:20	48.6	↑3.8
4/2 15:30	52.5	↑3.9
4/2 15:40	56.5	↑4.0
4/2 15:50	60.6	↑4.1
4/2 16:00	64.7	↑4.1
4/2 16:10	68.8	↑4.1
4/2 16:20	72.8	↑4.0
4/2 16:30	76.8	↑4.0
4/2 16:40	80.7	↑3.9
4/2 16:50	84.4	↑3.7
4/2 17:00	87.9	↑3.5
4/2 17:10	91.2	↑3.3
4/2 17:20	94.2	↑3.0
4/2 17:30	96.9	↑2.7
4/2 17:40	99.4	↑2.5
4/2 17:50	101.5	↑2.1
4/2 18:00	103.4	↑1.9
4/2 18:10	104.9	↑1.5
4/2 18:20	106.2	↑1.3
4/2 18:30	107.2	↑1.0
4/2 18:40	108.0	↑0.8
4/2 18:50	108.6	↑0.6
4/2 19:00	108.9	↑0.3
4/2 19:10	109.1	↑0.2	満潮
4/2 19:20	109.1	0
4/2 19:30	108.9	↓-0.2
4/2 19:40	108.7	↓-0.2
4/2 19:50	108.3	↓-0.4
4/2 20:00	107.8	↓-0.5
4/2 20:10	107.1	↓-0.7
4/2 20:20	106.4	↓-0.7
4/2 20:30	105.6	↓-0.8
4/2 20:40	104.6	↓-1.0
4/2 20:50	103.5	↓-1.1
4/2 21:00	102.3	↓-1.2
4/2 21:10	101.0	↓-1.3
4/2 21:20	99.6	↓-1.4
4/2 21:30	98.1	↓-1.5
4/2 21:40	96.5	↓-1.6
4/2 21:50	94.8	↓-1.7
4/2 22:00	93.1	↓-1.7
4/2 22:10	91.3	↓-1.8
4/2 22:20	89.5	↓-1.8
4/2 22:30	87.8	↓-1.7
4/2 22:40	86.1	↓-1.7
4/2 22:50	84.5	↓-1.6
4/2 23:00	83.1	↓-1.4
4/2 23:10	81.8	↓-1.3
4/2 23:20	80.7	↓-1.1
4/2 23:30	79.8	↓-0.9
4/2 23:40	79.2	↓-0.6
4/2 23:50	78.7	↓-0.5