01 (木)	03:46	10:34	17:14	22:30
	142cm	7cm	127cm	65cm
大潮 出 05:18 入 18:00 出 20:55 入 05:52 潮干狩り ◎ 08:36～12:46

苫小牧（北海道）2010年04月01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
4/1 00:00	74.3	↑2.8
4/1 00:10	77.3	↑3.0
4/1 00:20	80.5	↑3.2
4/1 00:30	83.9	↑3.4
4/1 00:40	87.5	↑3.6
4/1 00:50	91.3	↑3.8
4/1 01:00	95.2	↑3.9
4/1 01:10	99.1	↑3.9
4/1 01:20	103.2	↑4.1
4/1 01:30	107.3	↑4.1
4/1 01:40	111.3	↑4.0
4/1 01:50	115.3	↑4.0
4/1 02:00	119.2	↑3.9
4/1 02:10	122.8	↑3.6
4/1 02:20	126.3	↑3.5
4/1 02:30	129.5	↑3.2
4/1 02:40	132.3	↑2.8
4/1 02:50	134.8	↑2.5
4/1 03:00	136.9	↑2.1
4/1 03:10	138.7	↑1.8
4/1 03:20	139.9	↑1.2
4/1 03:30	140.8	↑0.9
4/1 03:40	141.2	↑0.4	満潮
4/1 03:50	141.2	0
4/1 04:00	140.8	↓-0.4
4/1 04:10	139.9	↓-0.9
4/1 04:20	138.7	↓-1.2
4/1 04:30	137.2	↓-1.5
4/1 04:40	135.3	↓-1.9
4/1 04:50	133.1	↓-2.2
4/1 05:00	130.7	↓-2.4
4/1 05:10	127.9	↓-2.8
4/1 05:20	124.9	↓-3.0
4/1 05:30	121.7	↓-3.2
4/1 05:40	118.3	↓-3.4
4/1 05:50	114.6	↓-3.7
4/1 06:00	110.8	↓-3.8
4/1 06:10	106.7	↓-4.1
4/1 06:20	102.4	↓-4.3
4/1 06:30	97.9	↓-4.5
4/1 06:40	93.2	↓-4.7
4/1 06:50	88.4	↓-4.8
4/1 07:00	83.3	↓-5.1
4/1 07:10	78.2	↓-5.1
4/1 07:20	72.9	↓-5.3
4/1 07:30	67.6	↓-5.3
4/1 07:40	62.2	↓-5.4	最大潮位差
4/1 07:50	56.9	↓-5.3
4/1 08:00	51.6	↓-5.3
4/1 08:10	46.4	↓-5.2
4/1 08:20	41.3	↓-5.1
4/1 08:30	36.5	↓-4.8
4/1 08:40	31.9	↓-4.6
4/1 08:50	27.7	↓-4.2
4/1 09:00	23.7	↓-4.0
4/1 09:10	20.1	↓-3.6
4/1 09:20	16.9	↓-3.2
4/1 09:30	14.2	↓-2.7
4/1 09:40	11.8	↓-2.4
4/1 09:50	9.9	↓-1.9
4/1 10:00	8.4	↓-1.5
4/1 10:10	7.3	↓-1.1
4/1 10:20	6.6	↓-0.7
4/1 10:30	6.3	↓-0.3	干潮
4/1 10:40	6.4	↑0.1
4/1 10:50	6.8	↑0.4
4/1 11:00	7.5	↑0.7
4/1 11:10	8.6	↑1.1
4/1 11:20	10.0	↑1.4
4/1 11:30	11.7	↑1.7
4/1 11:40	13.7	↑2.0
4/1 11:50	15.9	↑2.2
4/1 12:00	18.5	↑2.6
4/1 12:10	21.3	↑2.8
4/1 12:20	24.5	↑3.2
4/1 12:30	27.9	↑3.4
4/1 12:40	31.5	↑3.6
4/1 12:50	35.5	↑4.0
4/1 13:00	39.7	↑4.2
4/1 13:10	44.1	↑4.4
4/1 13:20	48.8	↑4.7
4/1 13:30	53.6	↑4.8
4/1 13:40	58.7	↑5.1
4/1 13:50	63.8	↑5.1
4/1 14:00	68.9	↑5.1
4/1 14:10	74.1	↑5.2
4/1 14:20	79.3	↑5.2
4/1 14:30	84.4	↑5.1
4/1 14:40	89.3	↑4.9
4/1 14:50	94.0	↑4.7
4/1 15:00	98.5	↑4.5
4/1 15:10	102.8	↑4.3
4/1 15:20	106.7	↑3.9
4/1 15:30	110.2	↑3.5
4/1 15:40	113.5	↑3.3
4/1 15:50	116.3	↑2.8
4/1 16:00	118.8	↑2.5
4/1 16:10	120.9	↑2.1
4/1 16:20	122.6	↑1.7
4/1 16:30	124.0	↑1.4
4/1 16:40	125.1	↑1.1
4/1 16:50	125.9	↑0.8
4/1 17:00	126.3	↑0.4
4/1 17:10	126.5	↑0.2	満潮
4/1 17:20	126.5	0
4/1 17:30	126.2	↓-0.3
4/1 17:40	125.6	↓-0.6
4/1 17:50	124.9	↓-0.7
4/1 18:00	123.9	↓-1.0
4/1 18:10	122.7	↓-1.2
4/1 18:20	121.3	↓-1.4
4/1 18:30	119.7	↓-1.6
4/1 18:40	117.8	↓-1.9
4/1 18:50	115.8	↓-2.0
4/1 19:00	113.5	↓-2.3
4/1 19:10	111.0	↓-2.5
4/1 19:20	108.3	↓-2.7
4/1 19:30	105.4	↓-2.9
4/1 19:40	102.4	↓-3.0
4/1 19:50	99.3	↓-3.1
4/1 20:00	96.0	↓-3.3
4/1 20:10	92.7	↓-3.3
4/1 20:20	89.4	↓-3.3
4/1 20:30	86.2	↓-3.2
4/1 20:40	83.0	↓-3.2
4/1 20:50	80.0	↓-3.0
4/1 21:00	77.1	↓-2.9
4/1 21:10	74.5	↓-2.6
4/1 21:20	72.1	↓-2.4
4/1 21:30	70.0	↓-2.1
4/1 21:40	68.2	↓-1.8
4/1 21:50	66.7	↓-1.5
4/1 22:00	65.6	↓-1.1
4/1 22:10	64.8	↓-0.8
4/1 22:20	64.4	↓-0.4	干潮
4/1 22:30	64.2	↓-0.2	干潮
4/1 22:40	64.4	↑0.2
4/1 22:50	64.9	↑0.5
4/1 23:00	65.7	↑0.8
4/1 23:10	66.7	↑1.0
4/1 23:20	67.9	↑1.2
4/1 23:30	69.4	↑1.5
4/1 23:40	71.1	↑1.7
4/1 23:50	73.0	↑1.9